Several fields of discrete mathematics, particularly theoretical computer science, graph theory, and combinatorics, are important in addressing the challenging bioinformatics problems associated with understanding the tree of life.

Several institutions, besides those already mentioned, played important parts.

Several billion kilograms of polyesters are produced industrially annually, important products being polyethylene terephthalate, acrylate esters, and cellulose acetate.

Several important cinematic movements, including the Nouvelle Vague, began in the country.

Several types are existent in Qing dynasty and used in dishes of stewing hams ( 火腿炖肘子 ), and vegetables, or for a wide variety of soup and important soup stocks.

Several important institutional changes took place in this period, such as free and mandatory schooling introduced 1842 ( as first country in the world ), the abolishment of a previous national monopoly on trade in handicrafts in 1846, and a stock company law in 1848.

His critically acclaimed book Lyrics on Several Occasions of 1959, an amalgam of autobiography and annotated anthology, is an important source for studying the art of the lyricist in the golden age of American popular song.

Several formerly important franchise courts were not officially abolished until Courts Act of 1971.

Several important buildings and structures were built during this time, including the Kansas City City Hall and the Jackson County Courthouse — both added new skyscrapers to the city's growing skyline.

Several industry groups also recognize light pollution as an important issue.

Several types of molecules are particularly important during morphogenesis.

Several of the more important ways observations can be affected by human psychology are given below.

Several other important engravers also made cards, including Master ES and Martin Schongauer.

Several economically important products come from Rosaceae, including many edible fruits ( such as apples, apricots, plums, cherries, peaches, pears, raspberries, and strawberries ), almonds, and ornamental trees and shrubs ( such as roses, meadowsweets, photinias, firethorns, rowans, and hawthorns ).

Several important political innovations of classical antiquity came from the Greek city-states and the Roman Republic.

Several Referendums supported the state being in control of the most important utilities and energy companies.

Several important modern cities, including Stockholm and Lviv, were founded in the 1250s.

Several lakesthe most important of which are Lake Herăstrău, Lake Floreasca, Lake Tei, and Lake Colentinastretch across the northern parts of the city, along the Colentina River, a tributary of the Dâmbovița.

Several singular oak trees, such as the Royal Oak in Britain and the Charter Oak in the United States, are of great historical or cultural importance ; for a list of important oaks, see Individual oak trees.

Several important trade routes from India and China ( including the Silk Road ) passed through Bactria and, as early as the Bronze Age, this had allowed the accumulation of vast amounts of wealth by the mostly nomadic population.

Several of Gauthier's students are now important moral, political, and legal philosophers in the United States and Canada.

Several important features of visual perception can be traced to the retinal encoding and processing of light.

Several important diseases of the nervous system are associated with dysfunctions of the dopamine system.

Several French colonial towns of the Illinois Country, such as Kaskaskia, Cahokia and St. Philippe, Illinois were flooded and abandoned in the late 19th century, with a loss to the cultural record of their archeology.

Several cultural movements of the time contributed to the movement.

Several of his poems have passed into the cultural mainstream, and his work has been used by authors, musicians and film and television writers.

Several historical anthropologists have done field research Nevis and in Nevisian migrant communities in order to trace the creation and constitution of a Nevisian cultural community.

Indeed, on May 14, 1967, the CCP central committee issued a document entitled Several suggestions for the protection of cultural relics and books during the Cultural Revolution.

Several nations have used cultural relativism as a justification for limiting the rights in the Universal Declaration of Human Rights.

Several of them later became well-known cultural personalities in the country.

Several small treaties were signed with Estonia and Latvia in 1939 and 1940 concerning the emigration of Baltic Germans and the liquidation of their educational, cultural, and religious institutions.

Several prominent German military, cultural, and political figures in subsequent history, including poet Theodor Fontane, General Hermann von François, the hero of the First World War Battle of Tannenberg, Luftwaffe General and fighter ace Adolf Galland ; and famed U-boat captain Lothar von Arnauld de la Perière, trace their ancestry to the Huguenot refugees from France.

Several people, related to Lê by blood, were appointed to the propaganda and cultural sector of the state.

Several of Munthe's properties are now museums and cultural centers.

Several variations of the " Oggy " chant have arisen as its cultural significance and recognition has grown.

Several cultural anthropologists and authors have raised the multifaceted aspect of what bishonen represents and what it is interpreted as, mostly to fit a particular external viewpoint.

Several years later she moved to New York City, where she remained a major cultural figure.

Several prominent Israeli cultural and artistic figures supported the movement to repatriate the Iqrit villagers and public empathy for their plight was widespread.

Several other cultural institutions exist, such as the Cultural Center, the Marubi Photo Archives, the Artists and Writers Association, the " Migjeni " Theater ( named after Millosh Gjergj Nikolla ), the Gallery of Arts, and the Museum of History.

Several key features can be inferred about the cultural distinctiveness of the Hivite peoples.

Several cultural and sporting events on local, national and international scale are held in the town.

Several cultural organizations are named after Skaryna, particularly the Frantsishak Skaryna Belarusian Language Society and the Francis Skaryna Belarusian Library and Museum, London.

Several political or cultural Catalan movements operated underground during the dictatorship of Francisco Franco, which lasted until 1975.

Several languages ( Spanish, Limón Creole ) are spoken, and due mainly to its cultural ties to the Caribbean islands, dishes like rice and beans are ubiquitous throughout the province, along with reggae, calypso, and soca music ( see " Demographics ").

Several other sites of historical and cultural importance located near the station.

Several hundred conferences, training and cultural events are organised across the network every year, and AEGEE also campaigns and lobbies for the interests of European students, in particular the reduction of visa barriers between European countries.