一旦经过冷却和测验，这些钢块就已经准备好用于太空事业和石油钻探这两个十分需要高强度钢材的领域。
Once cooled and tested, the blocks of steel are readyfor use in aerospace and oil-drilling, where high-strength steel is prized.
再者，因为大多数游泳池都有为泳道游泳设定时间和经过训练的专业人员在测验，普通游泳者一般会发现他们在适应一个会变成习惯的计划表。
Moreover, since most pools have set times for lap swimming and coached Masters workouts alike, regular swimmer usually find themselves settling into a schedule that becomes automatic.
文中所提出的九种齿轮和蜗轮蜗杆的参数测定公式，经过实测验证是完全适用的。
The formulae given here for measuring the parameters of nine kinds of gears, worms and worm wheels have been proved in practice to be applicable.
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