Usually it is the more widely spread species that fare better in extinction, and hence this unusual pattern could be explained by a GRB, which would probably devastate creatures living on land and near the ocean surface, but leave deep-sea creatures relatively unharmed.

Usually, they titter loudly after they have passed by.

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, cult films have limited but very special, noted appeal.

Usually at the age of 16 when students finish their secondary school studies, they move on to a sixth form college where they study for their A-levels ( although some secondary schools have integrated sixth forms ).

Usually those commissions and leading groups have jurisdiction on both Party and State apparatus, and include ranking leaders up to the President of the People's Republic of China and the Premier of the State Council.

Usually, they have involved substantive attempts to provide a definition of knowledge different from the classical one, either by recasting knowledge as justified true belief with some additional fourth condition, or as something else altogether.

Usually the third-party companies have congregated the necessary specialists and can use this expertise to more efficiently generate the software.

Usually a language is said to " have cases " only if nouns change their form ( decline ) to reflect their case in this way.

Usually, the term is used to indicate that non-carbon atoms have replaced carbon in the backbone of the molecular structure.

Usually, two or more answers were given for each question that a gamer might have.

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, one can get in two breedings using this method, though some studs have routinely refused to breed a female more than once.

Usually there is an additional requirement that the year have a whole number of months, in which case most years have 12 months but every second or third year has 13.

Usually, a municipality would have 20, 000 or more people, but if it exceeds 500, 000 it becomes a municipal corporation.

Usually, each instance will have a unique name, so that if you have two instances of vacuum cleaners, one might be " vac1 " and the other " vac2 ".

Usually every card will be smooth ; however, some decks have braille to allow blind people to read the card number and suit.

Usually, a system must provide a way to change a password, either because a user believes the current password has been ( or might have been ) compromised, or as a precautionary measure.

Usually, sufferers have either no symptoms or only a mild illness with fever, headache, myalgia and liver abnormalities.

Usually, a high-topped shoe is secured by laces or zippers, although some styles have elastic inserts to ease slipping the shoe on.

Usually there will be only one or sometimes two approaches to the Shrine for the public and all will have the torii over the way.

Usually, speech coding and channel coding methods have to be chosen in pairs, with the more important bits in the speech data stream protected by more robust channel coding, in order to get the best overall coding results.

Usually, aircraft wings have various devices, such as flaps or slats that the pilot uses to modify the shape and surface area of the wing to change its operating characteristics in flight.

Usually, when a voter does not give a full list of preferences they are assumed, for the purpose of the count, to prefer the candidates they have ranked over all other candidates.

Usually, Double DEC programs, which are considered special pre-university programs, require six semesters ( three years ) to complete.

Usually, medical intervention is limited to the treatment and prevention of complications arising from CP's effects.

Usually, a voice-over, soundtrack and sound effects are added to the piece to create a presentation to show how a film could be shot and cut together.

Usually, people become less alert when they are under the effects of muscle relaxant drugs.

Usually the gastrointestinal effects precede central nervous system effects.

* Synchronization: Usually, styles compose of two to four sections, so adding transition effects, called syncs, smooth the transition between sections and improve the rhythm of the effect.

Usually, when front-facing a riot, officers slowly walk in a line parallel to the riot's front, extending to both its ends, as they noisily and simultaneously march and beat their shields with their batons, to cause fear and psychological effects on the crowd.

Usually, Dr. Claw's voice would be given reverb effects for a dramatic effect.

Usually the platelets have very little effects on the bulk viscosity of blood.

Usually the games ' simulated time runs hundreds of times faster than real life, so policy-makers experience several years of policy decisions, and their simulated effects, in less than a day.

Usually the treatment is started by administering drugs with high anti-inflammatory effects, such as prednisone.

Usually either Kine or Wilkie individually would oversee effects work on a production ; due to the number of effects required, both worked on Quatermass and the Pit.

Usually, clomipramine needs some weeks to reach its maximum effects and needs to be given as long-term treatment, sometimes for life ( narcolepsy ).

Usually the expression must also have no side effects.

Usually such functions are called for their side effects, such as performing some task or writing to their output parameters.

Usually electrochemical and other effects at the electrodes make the potential difference drift up and down, making it hard to determine the fluid flow induced potential difference.

Usually, combined ones are stronger or have added effects.