For a stationary, adiabatic flow the specific energy E, specificangular momentum L and mass accretion rate M are constant in space.
对于静态、绝热吸积流，比能量E、比角动量L和质量吸积率M都是空间的常量。
2
Angular services are singletons objects or functions that carry out specific tasks common to web apps.
它是一个单例对象或函数，对外提供特定的功能。
3
A method of solving the angular speed and attitude angular of high spinning projectile was proposed by accelerometers' specific force signal in existence of installation errors.