downward phase
英 [ˈdaʊnwəd feɪz]
美 [ˈdaʊnwərd feɪz]
（经济）衰退阶段
双语例句
- That downward trend, however, is not to be confused with a renewed bear market, because it is simply a consolidation of the rapid gains from phase one.
但不要把这种下跌趋势与熊市重新开始相混淆，因为它只是巩固第一阶段的快速上涨。 - Research on vertically downward gas-liquid circumfluence with high mass quality of gas phase
高质量含气率垂直下降两相绕流的研究 - With respect to two different specifications of trapezoidal cylinder an experimental study was conducted of the variation law of gas liquid two phase Strouhal number in case of the occurrence of gas liquid two phase vortex street in a vertically downward gas liquid two phase flow.
试验研究了两种规格梯形柱体，在垂直下降气液两相流中，发生气液两相涡街时，气液两相斯特罗哈数的变化规律。 - Flow Pattern Transition for Vertical Downward Two Phase Flow of High Viscosity Liquid
垂直下降管中高粘液体两相流的流型转变 - Measurement of the Void Fraction in Downward Gas oil Two phase Flow in Vertical Tube
垂直下降管内油气两相流动截面含气率的测量 - The paper herein optimizes the objectives of the mass and the RCS of the reentry vehicle, and makes the objectives smallest. An optimal guidance law for reentry vehicle with high altitude maneuvering on downward phase is studied.
本文以再入飞行器的质量和雷达截面为目标函数进行多目标优化。本文的理论和计算方法可用于再入飞行器总体设计的方案论证阶段。研究了在降弧段进行高空机动的再入飞行器最优制导律。 - Using a vertical downward section in which flow is very slowly, water holdup in oil-water two phase flow is measured, and a good result is obtained.
通过采用一缓流的垂直下降段，测量油水两相流中的含水率值，获得了好的结果。 - The void fraction in downward gas oil two phase flow in vertical tube is measured with the combined method of horizontal downward vertical tube for the two flow regimes ( bubbly and slug flow).
采用水平&下降管组合法测量了垂直下降管内油气两相流动在泡状和弹状流下截面含气率的值。 - Experimental study of void fraction in vertically upward and downward liquid-gas two-phase flow at low velocity
低流速气液两相流垂直向上和向下流动时空泡份额的实验研究