useful adj. 1.有用的,有益的,有效的,有帮助的。 2.〔俚语〕值得称赞的,精通…的 (at)。 make oneself generally useful 事事有用,事事帮得来忙 (He must make himself generally useful. 他可事事都干得来)。 a pretty useful performance 相当精采的演出。 His wife is very useful at cooking. 他的妻子很会做菜。 adv. -ly ,-ness n.
" in reality the " sparse " data in the lower extreme of any 8 - bit non - linear space considerably limits its useful range . "实际上"稀稀落落的"资料在任一8位非线性空间更低的极端可观地限制它有用的?围。
Instead of storing negative numbers however they only store positive values , yielding a useful range of 0 to 65 , 535 ( 2 ^ 16 ) - 1 ) 它将用于储存负数的空间用来储存正数,因此,它们能储存0到65 , 535的正值。
To overcome the second , the transmission needs to include a gearbox providing a range of different ratios of input to output speed , enabling the engine ' s speed to be maintained within the useful range of torque output over a more or less wide range of vehicle speeds 对于第二个问题,可利用变速箱来安排不同的输入输出比,使发动机保持一定的转速,以便提供保持车辆速度的有效扭矩输出。