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- laser zenith telescope 激光天顶仪
- PZT (Photographic Zenith Telescope) 摄影天顶仪
- laser zenith vertical instrument 激光天顶竖直
- zenith telescope 天顶仪
- visual zenith telescope 目视天顶筒
- floating zenith telescope 浮动天顶仪
- horizontal zenith telescope 水平天顶仪,地平天顶仪
- photographic zenith telescope 摄影天顶望远镜
- laser zenith meter 激光垂直仪
- A powerful laser and astronomical telescope are used for this measurement. 在测量时使用了一台功率强大的激光器和一台天文望远镜。
- There is no single laser fit for all purposes. 没有单一种激光器能适用于各种用途。
- How does a laser beam vaporize steel? 激光束是怎样使钢气化的?
- Laser beams are also used in surgery. 激光束还可用于外科手术。
- Laser beams may cauterize and heal ulcers. 激光束可以烧灼和愈合溃疡。
- He monopolizes the laser printer. 他独占了这台激光打印机。
- A laser is a device composed a special material. 激光器这种器件是用特殊材料制成的。
- The laser jet printer is out of order. 这台激光打印机不能正常工作了。
- On a lazy laser raiser lies a laser ray eraser. 在一个懒惰的激光器上放了一个激光消除器。
- The price of the laser printer is too high. 这台激光打印机的价格太高了。
- Can doctors use laser to treat my cataract? 医生可否用激光为我治疗白内障?