正因为这种显著的差异导致黄喉貂的分类地位及起源问题一直存在争议。
Because of these remarkable differences, there are always dissension in classifying status and origin of Yellow-throated Marten .
研究湍流管式冷却器的冷却机理和设计问题，讨论了湍流管入口角、出口角、喉口直径和水缝的选择范围。
The choosing range of the input Angle and output Angle of turbulent tube, the diameter of the throat mouth and water gap are discussed.
针对双文氏管湿法除尘系统一级文氏管喉口存在的问题，开发设计了矩形定径式喉口。
Based on the problems existed in Venturi tube throat of double Venturi tube wet cleaning system, the rectangle sizing throat is developed and designed.
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