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- TCN manages air, land, space and surface mission domains and can track both low- and high-velocity targets. TCN管理空中、地面、空间和水面等领域的任务，并可以对低速和高速的目标进行跟踪。
- planetary surface to orbit shuttle 行星与轨道间往返飞船
- Study of the Motion Locus and Parameters of Planetary Surface Grinder 行星式平面研磨机床的运动方式及其轨迹和运动参数的研究
- The gas bubbled to the surface of the water. 气体变成气泡升上水面。
- The surface of the liquid gradually crusted over. 液体表面渐渐地结了一层皮。
- A breeze ruffled the surface of the lake. 一阵微风吹皱了湖面。
- A wave broke across the surface of the pool. 一个波浪从池水表面掠过。
- The calm water surface is very much like a mirror. 那平静的水面十分象一面镜子。
- Acid had pitted the surface of the silver. 酸把银器的表面腐蚀了。
- He is honest only on the surface. 他只是表面诚实而已。
- A film of mucus and bacteria on a tooth surface. 齿菌斑牙齿表面一层粘液和细菌的膜
- The hard outer portion or surface area of bread. 面包皮面包的表面区域的硬皮
- Surface mail takes longer than airmail. 普通邮件比航空邮件慢。
- Measured the planetary tilt in degrees. 测量地球倾斜的角度
- The surface of the lake is quite still. 湖面相当平静。
- He formulated the theory of planetary movement. 他系统阐述了行星运动理论。
- It's2 yuan by surface mail and3.6 yuan by air. 寄平信2元，寄航空要3元6角。
- Wheels won't bite on a slippery surface. 车轮打滑。
- Most planetary orbits are not circles but ellipses. 大多数行星的运转轨道是椭圆形而非圆形。
- The surface must be thoroughly clean. 表面必须彻底弄清洁。
