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- The research of avionic HMS/HMD visor" s optical system is a topic in "the Tenth Five-year-plan" and at presents only a few countries do this work . 护目镜式头盔瞄准／显示器的研究是国家十五预研课题，目前只有少数几个国家开展此项研究。
- Long term monitoring of OJ287's optical brightness now indicates that the system may be precessing very rapidly, setting arecord for general relativistic precession of orbits. 对OJ287光学亮度的长期观测显示，整个系统在超高速旋转，并记录到相对论性轨道进动。
- In early 2001 Wendell was named president of Corning’s optical communications businesses, leading these businesses through both dynamic market growth and the subsequent challenges of market declines. 2001年初，魏文德被任命为康宁光通信部总裁，在电信市场高速发展时期以及之后市场衰减的困难时期，他一直领导着该部门。
- In regards to VO2 s optical properties, the transmittance of infrared rays through the VO2 coating decreased with phase transition of VO2(M) O2(R), and phase transition temperature was 67.8 . 中文摘要二氧化钒具有热致相变之特性，其电性及光学性质能藉由改变温度产生大幅度的变化。
- Kuhne optical box 屈内眼箱
- Kuhne's optical box 屈内(氏)眼箱(模型眼)
- They spend the winter(s) in a warmer climate. 他们在气候较暖的地方过冬。
- Most plural nouns in English end in "s". 英语的复数名词多以“s”结尾。
- The sweater had shrunk after repeated washing(s). 这件套头毛衣洗过多次已缩水了。
- Some old folk(s) have peculiar tastes. 有些老人有特殊的爱好。
- Figure 24-7: Here’s a typical bulletin dialog box. 图24-7 这是一个典型的公告对话框，它从来不会由用户发起。
- Answer the following question(s). 回答下列问题。
- Most plural nouns in English end in s'. 英语的复数名词多以s结尾。
- The drug affects one's power(s) of concentration. 这种药影响人精神不能集中。
- There 's no chalk in the chalk box, is there ? 粉笔盒里没粉笔了，对吗?
- Kuhn: rationalist or irrationalist? 库恩,理性主义者还是非理性主义者?
- Here are the designs. Which one(s) do you prefer? 这就是那些图样.;你喜欢哪一个[些]?
- Zhu, Y., Yu, N., Kuhn, T., Hinds, W.C. 简弘民，科技的另一面-奈米技术对环境之影响。
- Which journal(s) do you subscribe to? 你订阅哪一种杂志?
- The novel had an enormous vogue in the 1930's. 这本小说在三十年代曾广为流传。
