By comparison with the data obtained from the field test pit excavation - the effect is satisfactory.

通过与现场探井开挖资料相比较。

The first F-35B short takeoff/vertical landing stealth fighter operates in vertical-landing mode on a special "hover pit" at Lockheed Martin in Fort Worth, Texas, during an April test.

4月，洛克希德·马丁公司沃斯堡工厂的“悬停坑”对首架短距/垂直起降F-35B隐形战斗机的垂直着陆方式进行测试试验。

To test the theory, the scientists recreated what ancient tool makers might have done by heating a pile of silcrete stone in a fire pit.

为了检验这个理论，科学家们通过在一个火坑里加热砾岩石，重现了远古工匠们可能的做法。

Through the spot test, the paper studies the forced mechanism of soil anchor bolting and lateral displacement of the foundation pit.

本文通过现场试验，研究土层锚杆支护的受力机理以及基坑壁的侧向位移。

The model test aimed to study hydraulic characteristics of buffer pit ballast discharge after rock clog in deep water was blasted.

试验对深水岩塞爆破后缓冲坑泄渣的水力特性进行了研究。