laser beam造句
Originally, Keeling measured the speed of light in the air samples with a laser beam.
The sharp laser beam further zeros in on a small portion of the brain.
One solution is to use a diffuse light source rather than a laser beam, says Mr O'Brien.
In the process of duplicate laser boring, the crosswise pattern of laser beam determines the precision of the processing hole's shape and size.
It transmits a laser beam through an optical cable to a robot, which angles lenses and mirrors in the end of its arm to aim the laser towards the parts that need welding.
Pointing and focusing a laser beam on a target that is rocketing skyward at thousands of miles per hour is no easy task, but the Airborne laser is uniquely able to do the job.
A team of physicists in the us has created an infrared laser beam at a point in mid air, by focusing a UV laser onto a tiny volume of oxygen molecules.
By splitting a laser beam and aiming each part onto opposite sides of a polished silicon wafer, the group engineered a system of reflection and interference that traps both beams in the silicon.
No, because nothing is actually crossing the surface of the moon - the dot isn't an actual object, it is just a series of photons in the laser beam hitting the surface.
The trick is to use what is known as a "fast Fourier transform" to unpick more than 300 separate colours of light in a laser beam, each encoded with its own string of information.
Longer laser beams mean greater sensitivity.
Even though the laser beams are not entirely painless, they have a different psychological effect on children than needles.
The report is based on the first experiments from the National Ignition Facility (Nif) in the US that used all 192 of its laser beams.
To reproduce the landscape in 3-D, a twin-engine plane flew over the city and fired laser beams through the dense tree canopy. The beams bounced off the ground, buildings, and other structures below.
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天下一统造句
1、百年烽火,乱世枭雄。尊者金眼,天下一统。2、如今天下一统,纵横术就是屠龙之技,派不上用场。3、当时曹*额手相庆,认为天下一统指日可待。4、如今天下一统,纵横术就是屠龙之技,派不上用场。5、可是朕不甘心,朕有生之年,还没看到河清海晏,天下一统。6、自古,霸者,不长矣;...
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带岁造句
1、一路走来,免不了会携带岁月的尘埃。2、他还固定的热带岁三百六十五点二四二八天。...
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康复评定造句
1、目的探讨*中毒患者的临床特征、康复评定及康复治疗。2、方法应用BPRS、SANS、住院精神病人康复评定量表进行评估。3、目的探讨康复评定和治疗对吉兰-巴雷综合征的作用4、结论:强度时间曲线测定在腰椎问盘突出症的康复评定中具有一定的应用价值。5、结果根据...
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impatient of造句
1、Heisimpatientofreproof.2、Altogether,hewasimpatientofthepresent.3、Hisquickrecognitionsmadehimfranticallyimpatientofdeliberatejudgement.4、Grim-facedandimpatientofcritics,MrKagameweatheredthestorm.5、Testforstrongest,untwistandsplitimpat...
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