To make an rpm-drop test, a tachometer is needed .

做每分钟转速下降试验时，需要一个转速表。

Fulfills transportation test with master carton, for behaviour in climatic and drop test.

主卡通箱通过在运输过程的测试，包括气候的转变和跌落的试验。

The effects of liquid sloshing on spinning stability of satellite are investigated by means of drop test.

利用落塔试验研究液体晃动对卫星自旋稳定的影响。

Making a splash: Engineers conduct a water-drop test of Orion, which will land in the sea when it returns to earth.

轰动消息：工程师们在对返航时将会在海上着陆的“猎户号”进行水滴测试。

FEM software, ABAQUS, is used to model the landing gear for an aircraft, and carry out the numerical simulation for drop test.

利用大型商用有限元软件ABAQUS对某机起落架建模，并进行落震试验数值模拟。