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- The Chinese first laser is born in Changchun. 中国第一台激光器在长春诞生.
- With the development of modern optics, especially from 1960s -the first laser appeared, prism-type polarizer becomes an important polarizer in laser polarization technology. 随着现代光学的不断发展,特别是上世纪60年代以来,随着激光器的诞生,棱镜型偏光器件在激光偏光技术的应用中更是发挥了难以替代的重要作用。
- The first laser, which produces green light, sweeps the whole cuvette, causing its protein contents to take on a shape that (in binary code) is designated as "zero". 产生绿光的第一个激光器扫描整体试管，导致其中的蛋白质成分呈现一种在二进制编码中被定为“0’的形状。
- Xerox, based in Norwalk, Conn., bills the solid ink technology, which lets it create machines with fewer parts, as the biggest shift in the industry since it sold the first laser printer in 1977. 总部位于康涅迪格州订诺瓦克的施乐公司，买下了固体墨技术，这让施乐公司得以创建零件相对较少的打印机，这是自在1977年销售第一台激光打印机以来的行业最大变革。
- Leaving her first job was a watershed in her life. 辞去她的第一份工作是她生活中的一个转折点。
- Cook the meat quickly at first to seal in the juices. 一开始要大火烧肉，以便保存肉汁。
- In the word "mother" the stress is on the first syllable. 在"mother"这一字里，重音在第一个音节上。,在＂mother＂这一字里，重音在第一个音节上。
- His illness was more serious than the doctor first thought. 他的病较医生原来以为的更严重。
- Passengers with cars must embark first. 带汽车的乘客必须先上船。
- Bob teed off on the new pitcher's first delivery. 鲍勃猛击那新投手所投的第一个球。
- Alarmed at the first sound, we hit the dirt. 第一声警报一响我们就迅速卧倒。
- She struck up the first carol on the grand piano. 她在那架大钢琴上演奏起第一支颂歌。
- He picked a winning number on the first draw. 他第一次便抽到一个中奖号码。
- Slop out the waste basins first when you get up. 起床的第一件事是把例盆倒了。
- The runner was retired put out at first base. 跑垒者于第一垒上被刺杀出局。
- They drew lots for the right to go first. 他们抓阄儿决定谁先走。
- Our reporter was the first person on the scene. 我们的记者是最先到达出事地点的。
- We got knocked out of the Cup in the first round. 我们在锦标赛的第一轮比赛中就被淘汰了。
- He overlooked a spelling error on the first page. 他没有看出第一页中有个拼写错误。
- A slow theme introduces the first movement. 第一乐章以缓慢的主旋律开始。
