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direct action wind tunnel 直流式风洞
The planes survived the wind tunnel test intact. 这些纸飞机在测试风道中丝毫未损。
It is not correct to think of the wind tunnel having uniform flow. 设想风洞具有均匀的气流是不正确的。
We shall not get anywhere unless we take direct action ourselves. 除非我们亲自采取直接行动，否则我们就不会成功。
Out of caution or distaste, he's chosen to avoid direct action. 某个躲在黑暗处避免自己动手的人
Setting very low speeds in a wind tunnel is always a vexatious problem. 在风洞中调出低风速来始终是一个麻烦问题。
The object that receives the direct action of the verb. 直接接受行为的宾语。
Abraxas, the Silent Opposition.Are they going for direct action? |米奇和沉默反抗军是不是会采取直接行动？
It should be noted that a balance is not always required in a wind tunnel. 应该指出，天平对风洞来说并非是绝对必须的。
More seriously, they have now renounced parliamentary politics and opted for direct action, ranging from civil disobedience and demonstration to bullets and gelignite. 更为严重的是，他们已经放弃了议会政治而选择了直接行动，从非暴力反抗、示威到子弹和炸药。
The aerodynamics characteristics of this airfoil is studied in wind tunnel. 进行了翼型的低速气动力性能研究，为附面层特性研究提供了方向。结果表明，该翼型具有较好的升阻和俯仰特性，但失速特性差。
Without direct action against Japan,there can be no movement for democracy. 没有抗日的直接行动，就不能有民主运动。
The wind tunnel is produced under a technical cooperation agreement with Ford Co of US. 风洞机是根据与美国福特公司的技术合作协议生产的。
Without direct action against Japan, there can be no movement for democracy. 没有抗日的直接行动，就不能有民主运动；
Any flight test and wind tunnel correlation always suffers from a great number of unknowns. 在对飞行试验与风洞试验进行比较时总有大量的未知数。
The gens attempted to uproot the entire conjugal system of the period by its direct action. 氏族组织曾打算采取直接行动根除这个时期流行的整个同居制度。
The experiments were conducted in a wind tunnel at a location 50 ft downwind from the fan. 实验是在风洞中距离风机50英尺处进行。
The damping derivatives can only be determined experimentally in the wind tunnel or ballistic range. 阻尼导数只能用风洞或弹道试验来确定。
In the experiment under the 20 m/s wind tunnel conditions, the wind abrasion modulus is almost zero. 在每秒20米的风洞实验中，吹蚀模数几乎为零。
Such considerations as these incline me to lay less weight on the direct action of the surrounding conditions. 这些事实使我觉得周围条件的直接作用不甚重要。