到达目标后,在圈定好的500米区域内,他们用卷尺,测径规和手持激光设备对所有树木的高度和树围进行测量。
Once there, they use tape measures, callipers and a hand-held laser to measure the heights and girths of all the trees within a 500-square-metre plot.
起初,吉林用激光束测量光在这些空气样本中的传播速度。
Originally, Keeling measured the speed of light in the air samples with a laser beam.
信使号探测器已经开始用激光高度计来测量极地火山口德地形而且已经的除了一些让人振奋的结果。
Messenger has begun testing this theory by deploying a laser altimeter to map the shape of craters at the poles - with some encouraging results.
当时他们用这种激光来激发并电离那些被火焰的高温裂解出来的原子,目的是测量不同火焰的特征辐射。
They were using the laser to excite and ionize the atoms liberated by the heat of the flame in order to measure the characteristic emissions of different flames.
卡迪加与和她一起工作的生物学家一道,用荧光染料和他们自己团队研发的一个复杂的水下激光摄像系统记录和测量动物周围的水流。
Katija and the biologists she works with record and measure the flow of water around animals using fluorescent dyes and a sophisticated underwater laser-video camera system the team developed.
我们用激光测距仪测量冰川高度的下降幅度。
We took measurements with laser rangefinders to measure the loss of height of the glaciers.
本文描述了用平面扫描干涉仪测量半导体激光光谱的一种新方法。
The article describes a new method of measuring semiconductor laser spectrum by plane scanning interferometer.
到达目标后,在圈定好的500平方米区域内,他们用卷尺,测径规和手持激光设备对所有树木的高度和树围进行测量。
Once there, they use tape measures, callipers and a hand-held laser to measure the heights and girths of all the trees within a 500-square-metre plot.
介绍用激光脉冲法测量碳纤维轴向热导率的方法原理和测试结果。
This paper describes the principle of laser Flash method and the measured results of axial thermal conductivity of carbon fibers by Flash method.
报道了一种用激光光热散射技术测量不透明材料热扩散率的方法。
A method to measure thermal diffusivity of opaque materials by a laser photothermal scattering technique is introduced in this paper.
报道了一种用激光光热辐射技术测量不透明材料热扩散率的方法。
A method to measure thermal diffusivity of opaque materials by a laser photothermal radiometry technique is introduced in this paper.
结果表明,在激光衍射测微中,用硬件插值细分的方法可以使其测量精度更为精确。
This simulated experiment shows that the method with the hardware equidistant subdivision can improve highly its measured accuracy in laser diffraction measure fine wire diameters.
初步实验结果表明:用激光干涉的方法进行非接触眼压测量这一方案是可行的。
Primary experimental results indicate that the project using the method of non-contact intraocular pressure (IOP) measurement based on laser interference to measure should be feasible.
介绍了用激光测量跳动误差的测量原理、测量方法,并进行了误差分析。
The measurement principle and method of run out error by laser are introduced, and error is analyzed.
用平面激光诱导荧光技术测量了平面火焰炉、原子气化炉和超声速燃烧室的单脉冲激光诱导OH荧光。
The OH fluorescence imaging is obtained in flames of flat flame burner, atom gasifier and supersonic combustor by planar laser induced fluorescence(PLIF)using single laser pulse.
提出了用激光衍射功率谱方法测量柱形颗粒群直径分布的技术方法。
A new approach to measure the long cylindrical particle by using the laser diffraction power spectrum method is presented in this paper in detail.
本文用单光束激光散斑干涉法测量了内燃机连杆的变形。
Single beam Laser speckle interferometry has been used to measure the deformation of internal combustion engine connecting rod in this paper.
用激光散射法测量粒度时,要考虑引入折射率,本文讨论了它对粒度结果的影响。
Refractive index should be introduced in particle sizing with laser scattering. This paper discussed its effect on analysis data.
用所研制的测量装置对自制的连续波染料激光频率的线宽和频率稳定性进行了测量。
With this new developed apparatus, we have measured the linewidth and frequency stability of our home made CW ring dye laser.
提出了用高频光强调制、同源频率合成、软件鉴相的激光相位微距测量方法测量表面微观轮廓高度。
In this paper, the measurement method of high frequency brightness modulation laser phase for mechanic surface microcosmic appearance is given out.
阐述了用脉冲激光引发瞬态热反射栅的方法来测量固体材料热扩散率的理论、实验装置和实验技术。
The theory and experiment techniques about measuring the thermal diffusivity of solid materials by using laser induced transient reflecting grating is introduced.
给出了用CCD进行激光光斑成像试验的结果,分析了激光光斑的测量精度和测量中存在的问题,并给出了解决途径。
This paper gives the CCD image test results. The laser facula measurement error and the test problems are analyzed. Some solutions are presented in the paper.
在激光衍射法测量微细线径的基础上,提出用硬件插值细分的方法来确定衍射图样暗纹间距。
Be based on measuring wire tiny diameter with laser diffraction, a method of hardware equidistance subdivision for dark string spans of diffraction fringe is presented.
本文给出了用氦氖激光束测量透明板折射率的一种简便方法。
This paper presets a simple method for measuring the refractive index of transparent by beams excited from helium-neon laser.
本文用激光探针测量了砷离子注入硅在CW CO_2激光退火过程中的实时分辨反射率。
The time-resolved optical reflectivity of as ion-implanted silicon during CW CO_2 laser annealing has been measured by using laser probes.
还提出一种用激光诱导荧光(LIF)测量六极磁铁选择性的方法,实验结果与理论值符合得很好。
The selectivity was measured by laser-induced fluorescence (LIF) and the results were in good agreement with the theoretical ones.
根据保护速度曲线用红外激光位置传感器的跟踪测量功能实现速度的后备保护。
According to the protective speed curves, the tracking measuring function of infrared laser position transducer is applied for back-up protection of travel speed.
分析了系统精度,用双频激光干涉仪测量系统组成部分的误差,并通过软件方法进行补偿。
The system accuracy is analyzed, and the systematic error is measured by 5528A Laser Measurment System and calibrated by software.
报道了一种用激光光热效应直接测量纳米材料热扩散率的方法。
A method of using the photothermal effect in the direct measurement of diffusivity of nanometer materials is reported.
报道了一种用激光光热效应直接测量纳米材料热扩散率的方法。
A method of using the photothermal effect in the direct measurement of diffusivity of nanometer materials is reported.
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