1) Non-stationary test
非定常性检验
2) unsteadiness
[英][ʌn'stedinis] [美][ʌn'stɛdɪnɪs]
非定常性
1.
Experimental investigation of asymmetry vortex unsteadiness over slender cylinders;
绕细长旋成体非对称涡非定常性的实验研究
2.
And the effect of the unsteadiness induced by these components on the flow was analyzed at high incidence.
本文首先通过动态测量手段研究了大攻角流场中的能量成分,分析了各种成分引发的非定常性对大攻角流动的影响。
3.
Effects of tip clearance size and mass flow rate on unsteadiness of tip leakage flow are investigated by numerical simulation.
采用数值模拟方法研究了不同间隙、不同流量工况下叶顶泄漏流非定常流动特征,发现在研究的三个间隙中,只有当间隙大于或等于设计间隙时,流动才会出现非定常性。
4) qualitative determination
定性检验
1.
Two methods of maize freshness qualitative determination were initially established.
初步建立了两种定性检验玉米新鲜度的方法:愈创木酚法,以溶液开始变色所需时间及加入染色液3 min后溶液颜色的改变程度,作为检测新陈玉米的依据;盐酸对二氨基苯法,以加入染色液5 min后玉米胚部及皮层颜色的改变来推断玉米新陈。
5) unsteady characteristics
非定常特性
1.
The unsteady characteristics of the wake of underwater vehicle such as submarine are the main sources that cause the low-frequency broad-band noise radiated by propeller behind the vehicle.
水下航行体尾部湍流的非定常特性,是引起运转中的推进器低频宽带噪声的主要流场因素。
6) unsteady performance
非定常性能
补充资料：常性
1.一定的规律。 2.本性。 3.持久性。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条