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- (=cycle) 周期，循环 cyc.
- 请即办理并航空函复。 Please act promptly and let us have your reply by return airmail.
- 光纤级P-Cycle fiber-level P-Cycle
- 舰队正在和航空进行部队联合演习。 The fleet is manoeuvring in combination with the air unit.
- Bruckner cycle 勃吕克纳循环
- 请给我买几张航空邮票。 Please buy some air mail stamps for me.
- Cycle-Spinning Cycle-Spinning
- 用航空寄还是海运寄呢? Airmail or sea mail?
- uni-cycle (玩具) 独轮车
- 我要一封普通邮票和两封航空邮票。 I need a book of regular stamp and two of airmail.
- γ-glutamyl cycle γ-谷氨酰循环
- 我想往法国寄一封航空挂号信。 I want t send a registered airmail letter to France.
- Krebs cycle 克雷布氏循环
- 当时航空仍在萌芽阶段。 At that time aviation was still in its infancy.
- α-glycerophosphate cycle α-甘油磷酸循环
- 航空照片可供市民选购。 Aerial photographs are available for sale to the public.
- β-hydroxybutyrate cycle β-羟丁酸循环
- 航空像片森林判读 interpretation of forest aerial photo
- open-cycle CO2 laser 开环二氧化碳激光器
- 航空电器 airborne electric apparatus
