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。
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。
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。
How to determine the bearing capacity for foundation-pit by the plate loading test is discussed, and its testing method and data processing are discussed, too.
对于基坑平板载荷试验承载力如何取值的问题进行了讨论，并对其试验方法及资料整理进行了探讨。
The model test of jet angles was studied for impulse flame heating in top one-way fired pit.
在单烧嘴均热炉采用脉动火焰加热，根据模型实验结果，组织了工业试验。
An experimental test of bench mining in the high and dangerous slope of a certain open-pit mine was made.
在某露天矿山的高危边坡上进行了台阶采矿的试验研究。
Production test indicated that the application of esterified starter could effectively improve aroma-producing capability in pit and greatly increase quality product...
生产试验表明，应用酯化曲能有效地促进窖内发酵体系的生香功能，在保证出酒率的基础上，大幅度地提高浓香型白酒的优质品率。
According to the test in Nanfan Open Pit, shows the method is available, the absorbing shock rate of this method reachs 68%, the bursting range of back shock reduces 78%.
通过在南芬露天铁矿的应用，表明该方法是行之有效的，降震率为68%，后冲破裂范围减少78%。
Therefore, the test conclusions can provide reference for the design and construction of foundation pit.
测试结论可为偏压基坑设计施工提供参考。
The heat transfer mathematic model for solar marsh gas pit was set up based on the test results. It is shown that the good agreement between the numerical solutions and experiment data.
同时建立该沼气池的传热数字模型，获得了模型的数值解，实验结果和计算结果相互校验，最后整理得出了池温的分布规律。
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。
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。
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