The testing was done on the working conditions such as the sample resolution, element wave-length, air-carrier flow, auxiliary air flow, observed altitude, etc.
对样品的溶解、元素波长、载气流量、辅助气流、观察高度等工作条件进行试验，选定了最佳测定条件。
2
It is present a method to design altitude control system for a high altitude airship using auxiliary ballonet charge or deflation and elevator combination control.