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- In this paper, the optical storage properties of polyvinyl alcohol film doped with methyl red dyes were studied,where the dynamic curves of grating growth and decay were measured by using the writing light of 532nm and the reading light of 632.8nm. 用 2倍频小型 YAG激光 ( 53 2 nm)作为写入光和擦除光 ;用 He-Ne激光器 62 3 .;8nm线作为读出光;用 CCD作为探测器;研究了不同写入光功率下;甲基红 /聚乙烯醇 ( MR/PVA)薄膜光栅生长的动力学过程和不同擦除光功率下;光栅擦除的动力学过程
- Reading and writing are different skills. 阅读与写作是不同的技能。
- Robert Herrick (1592-1674) is one of the Cavalier poets in the 17th century English.The Cavalier poets wrote light poetry, polished and elegant, amorous and gay, but often superficial. 这个人很生气,他说:我跟杰克经常出去,但是,不管我们花什么钱,他从来也没有付过账。
- The same principle may make for smoother writing. 这同一原则也可使文章写得更通顺。
- His writing contains some real goodies. 他的作品中含有真正引人入胜的东西。
- His writing is nothing but a scribble. 他的书写简直太潦草了。
- He is squaring away to write a new chapter. 他正准备动手写新的一章。
- I must get hold of some more writing paper. 我必须再找一些书写用纸。
- I'm writing up the film for the local paper. 我现在为本地报纸写影评。
- I bought some lavender writing paper. 我买了一些淡紫色的信纸。
- She is endowed with great writing ability. 她具有杰出的写作天赋。
- Tom is expert in writing report. 汤姆对写报告很内行。
- He is writing a sequel to his latest best seller. 他正在写他的最新畅销书的续集。
- The expert is writing a theatrical review. 专家正在写戏剧评论。
- I don't like his ponderous style of writing. 我不喜欢他冗长乏味的文风。
- I have no time at all to write to you. 我根本没时间给你写信。
- He get angry with me for not have write. 他因我不给他写信对我生气。
- I want to write down what you just said. 我想把你方才所说的写下来。
- I'll write you later in regard to this matter. 关于这个问题以后我给你写信。
- The play was nothing (much) to write home about. 这出戏很一般。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries