Usually, a single equation corresponds to a curve on the plane.

Usually one or more index fossils that are common, found worldwide, easily recognized, and limited to a single, or at most a few, stages are used to define the stage's bottom.

Usually all Internet e-mail is transmitted in MIME format, allowing messages to have a tree structure where the leaf nodes are any of a variety of single part content types and the non-leaf nodes are any of a variety of multipart types.

Usually it is not economically or technically feasible to use a single do-it-all additive compound.

Usually they are kept separate from the netlist, because several such alternate sets of data could be applied to a single netlist.

Usually in bacterial cells, several ribosomes are working parallel on a single mRNA, forming what is called a polyribosome or polysome.

Usually a short story focuses on one incident ; has a single plot, a single setting, and a small number of characters ; and covers a short period of time.

Usually, males have a single long tusk, the canine on the left side of the upper jaw.

Usually a single stigma with 2 to 5 united carpels, sometimes ovaries separate but styles combined.

Usually, a commonly used digraph ( two character word ) in which both characters have short form two-keystroke representations can be combined into a single, four keystroke representation which generates two characters rather than one.

** Usually single column distillation.

Usually, all members of the group are instructed to fire simultaneously, thus preventing both disruption of the process by a single member and identification of the member who fired the lethal shot.

Usually, an artist releasing a cover version as a single would opt to write the song that appears on the B-side as this would still entitle the artist to some songwriting royalties stemming from sales of that single.

Usually each rule has a single unique target, rather than multiple targets.

Usually the aortic and mitral valves are incorporated in valve studies within a single degree of freedom.

Usually, this feature is used in conjunction with continuous, prearranged perforated paper and carbon supplies for use with a tractor feeder, rather than with single sheets of paper, for example, when printing out commercial invoices or receipts.

Usually a single book would occupy five daily fifteen-minute episodes, from Monday to Friday.

Usually a DEMARC will be located indoors if it is serving more than a single customer.

Usually, there are multiple batteries combined in a parallel circuit which keep 12 volts but increase the amperes, but there may be a single house battery on some smaller RV's.

Usually only a single eye is affected.

Usually, Novotnys are combined in problems with other ideas, or several Novotnys are shown in a single problem.

; Neutral Burn: Usually a single perforation ; as outside surface decreases the inside surface increases at the same rate.

Usually this consists of exploring all states and transitions in the model, by using smart and domain-specific abstraction techniques to consider whole groups of states in a single operation and reduce computing time.

Usually a retired local notable, senior military officer, peer or business person is given the post honorarily.

Usually high-ranking officer exchanges were negotiated for specifically named people.

Usually, the political commissar is a uniformed military officer, although this position has been used to give civilian party officials some experience with the military.

Usually, either the captain ( or commanding officer ) of the ship or aircraft or a representative of the religion performs the ceremony.

: Usually contains the contact information for the financial institution's compliance officer or equivalent.

Usually officer candidates are chosen as conscripts, and along with officer cadets are promoted to the rank of second lieutenant.

Usually this decision is made after the commanding officer consults with the command's JAG officer.

Usually this is a thin band of wire attached to the molars and stretching across the teeth.

Usually it is only when they approach shallow water on the shore that they build up to their terrifying heights.

`` Usually at this point a man is withdrawn from society and one of my jobs is to see that he relearns to mingle with his fellow men '', Mrs. Marr explained.

Usually, the detective either stumbles across the murder or is called upon by an old acquaintance, who is somehow involved.

Usually the Cartesian coordinate system is applied to manipulate equations for planes, straight lines, and squares, often in two and sometimes in three dimensions.

Usually the efficiency or running time of an algorithm is stated as a function relating the input length to the number of steps ( time complexity ) or storage locations ( space complexity ).

Usually, Anubis is portrayed as the son of Nephthys and Set, Osiris ' brother and the god of the desert and darkness.

Usually the market price of the target company is less than the price offered by the acquiring company.

Usually, the application of KOH is needed to increase the pH to this range.

Usually, a comb or spring is used to hold the warp threads a bead-width apart.

Usually, the train floor is at a level above the bogies, but the floor of the car may be lower between bogies, such as for a double decker train to increase interior space while staying within height restrictions, or in easy-access, stepless-entry, low-floor trains.

Usually, a meeting which is held without notice having been given is still valid if all of the directors attend, but it has been held that a failure to give notice may negate resolutions passed at a meeting, because the persuasive oratory of a minority of directors might have persuaded the majority to change their minds and vote otherwise.

Usually in the beginning of the story there is an emotional loss which makes the protagonist leave on his journey.

Usually, the pawn is chosen to be promoted to a queen, but in some cases another piece is chosen ; this is called underpromotion.

Usually, instead of using a safety rope from above, injury is avoided using a crash pad and a human spotter ( to direct a falling climber on to the pad ).

Usually coinciding with a recast, this rapid aging is typically done to open up the character to a wider range of storylines, and to attract younger viewers.

Usually DNA damage, if too severe to repair, leads to programmed cell death, but if the programmed cell death pathway is damaged, then the cell cannot prevent itself from becoming a cancer cell.

Usually doctrinal conformity is held as a first consideration when a church makes a decision to grant or decline financial contributions to such agencies, which are legally external and separate from the congregations they serve.

Usually, the alphabet is taken to be the binary alphabet ( i. e., the set

Usually coronal loops lasting for long periods of time are known as steady state or quiescent coronal loops, where there is a balance in loop energy sources and sinks ( example ).