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- common optical sound 合成的光学录音声带
- Sound Head: The optical sound reproducer mounted beneath the projector head but above the take-up reel support arm or magazine. 声头、音头：安装在放映机头下、卷轴支撑臂或片匣上面的光学声音重现装置。
- Sound Gate: The gate used in an optical sound head, instead of a sound drum, to keep the film sound track precisely aligned on the scanning beam slit during sound reproduction. 声门：光学声音头上用的片门，代替声鼓，使得胶片的声轨在声音重现过程中正好和扫描狭缝光束精确地排列成一直线。
- Knowledge without common sense counts for little. 光有学问而无常识，则这种学问无甚价值。
- variable-hue optical sound recording 变色光学录声
- mechanical optical sound recording 机械光学录音
- variable-area optical sound recording 变积式光学录音
- Salt is a common food preservative. 盐是一种常用的食物防腐剂。
- There is still no cure for the common cold. 目前仍没有治愈感冒的良药。
- Huxley, I feel, has much in common with Wells. 我觉得赫胥黎和威尔士有很多共同之处。
- Rabbits and foxes are common in Britain. 兔子和狐狸在英国很常见。
- Characteristics of several common optical materials in ion beam etching 几种常用光学材料的离子束刻蚀特性研究
- Common tastes form a bond between the two men. 共同的爱好使两人结交为朋友。
- The two sisters have nothing in common. 两姐妹没有什么共同之处。
- She hasn't an ounce of common sense. 她一点儿常识也没有。
- He was regarded as heretic by the common people. 他被大众视为异教徒。
- Women's underclothes are a common fetish. 女人的内衣裤是常见的能引起性快感的恋物。
- They made an alliance against the common enemy. 他们联合起来抵御共同的敌人。
- He behaves as if he had no common sense. 他的言行就好像没有常识似的。
- Jane and I have nothing in common. 简和我毫无共同之处。
