...那种把树木的枝叶放入密封室中 的小取样测定显然有其局限性， 比密封室的方法更先进一点的方法是空气动力法(aerodynamic method)。 这种方法是在生态系统的垂直方向按一定间隔安置若干二氧化碳检测器， 这些检测器可定期对不同层次上的二氧化碳浓度进行检测。
基于24个网页-相关网页
铀浓缩的空气动力法 aerodynamic methods of uranium enrichment
空气动力学法 aerodynamic method
空气动力减速法 aero drag
空气动力估算方法研究 Aerodynamic Force Prediction Method Study
声波法监测炉膛空气动力场采用非接触的测量方式，是一种现代高科技控制手段。
A measurement style of not touching is used during monitoring air dynamical field in a furnace with acoustic method, which is modern high-tech control means.
同时采用小扰动法推导了俯仰通道和滚动通道的简化模型，为空气动力和姿控发动机推力复合控制系统进行初步设计提供了依据。
What′s more, according to the method of little disturbance, the simplified model of pitching and rolling plane is derived, so preliminarily combined control system can be designed.
空气动力学方法的结果与能量平衡法有较大差异。
There was a large discrepancy between the results obtained by energy balance method and by aerodynamic method.
应用推荐