常见例句

双语例句

General ways for preparing nano-materials by the mechanics or physicochemical methods are introduced in this paper.
介绍了用机械或物理化学方法制备纳米材料的基本方法。
By mechanics calculating and physicochemical analyzing, the reason is found that it results from the cohesive wear between the detent hook and forced shaft, and reappears in validate test.
简要介绍了某投放装置在做地面发射试验时发生粘着磨损的故障情况，通过受力计算和理化分析，确定了是由于锁制钩和承力轴发生粘着磨损所致，验证试验中故障复现。