Since their invention in 1960, lasers have assumed tremendous importance in the fields of science and engineering . 自1960年发明激光以来，它被广泛应用于基础研究及工业技术方面。
It is possible to modify and combine existing laser, holographic and computer technology for intraoral use . 改进和综合现有的激光、全息和计算机技术，以便用于口腔内是完全有可能的。
Quite apparent is the fact that most laser beams are exceedingly directional, or if you will, highly collimated . 非常明显的是，大多数激光光束有很好的方向性，或者说，是高度准确的。
Already laser guns are being developed which could kill an enemy or bring down an air-plane or a missile at a great distance . 能在远处杀死敌人、击落飞机或导弹的激光炮已在研制之中。
Dental holography, a fairly new field of research, is a product of cooperation between the dental and the laser disciplines . 牙科全息术这一崭新的研究领域是牙科与激光学科相结合的产物。
The treatment of laser noise and its effect on the laser noise spectra up to this point involved semiclassical arguments . 到目前为止，都是用半径典理论处理激光噪声及其对激光频谱的影响。
The third required advance was and is in the thinking of engineer who will eventually make best use of the laser . 第三个需要改进的方面过去和现在都在于最终会充分使用激光的工程师的想法。
Exxon corporation of new york city announced plans in september 1978 to test laser enrichment of uranium in late 1980 . 1978年9月纽约市埃克森公司报道，计划在1980年底进行激光浓缩铀的试验。
The use of lasers transmitting light pulses along fibre optic cables is on the verge of revolutionizing the distribution of information . 使用激光通过光学纤维传播光脉冲引起了情报传播的革命。
