The waves are not noticeable out at sea because of their long wave length.
这些海浪在海上看起来不是很明显,因为它们的波长很长。
What is the meaning of "the length of a wave" according to paragraph 3?
根据第三段,“the length of a wave” 是什么意思?
The entire length of the tower is equipped with a feeder (a coaxial wave-guide) through which signals are transmitted from the transmitter to the antenna on the spire.
信号传输线(一个同轴波导管)贯穿整个塔身,通过它,信号从传输器运送到塔尖的天线。
Each band represents a deviation of one half wave length of the applied light.
每条光带表示所用光的一个半波的波长的偏差。
Ki energy in humans moves like light and electricity with a wave length of 5-25 microns, amazingly similar as the wave length of FIR.
文能源如同光线和5 - 25微米的,令人惊讶的远红外线波长相同波长电力人类动作。
The propagation process of pulse wave in the cable and influence of cable length on overvoltage and wavefront time of winding are discussed in this paper.
讨论了脉冲波在电缆中的传播过程以及电缆长度对线圈端的过电压和脉冲上升时间的影响。
Based on the analysis of the characteristics of traffic flow under crowded road, an improved models of parking wave and starting wave were used to calculate queuing length and queuing duration.
在分析道路堵塞时交通流特性的基础上,基于改进的停车波与启动波模型,推导出道路堵塞时车辆排队长度和排队持续时间的计算模型,并用实际例子对该方法的有效性进行验证。
Moreover, the empirical formula of the wave height and the wave length of the wind wave change with the wave age is also presented.
本文还推出了风浪的平均波陡与平均波龄的经验式以及波高和波长随波龄变化的经验式。
As the ion inertial length increase, the wave train becomes broader and the number of oscillation periods in the wave train are reduced.
当继续增大离子惯性长度时,波列会变得宽阔,波列中的振荡周期数目减少了。
Though the treatment of enzyme combined with ultrasonic wave reduced the coarseness and fiber length to some extent, there was little effect on the strength of pulp.
虽然酶和超声波的处理会在一定程度上降低纤维粗度和纤维长度,但对纸张的强度影响很小。
By using the generalized characteristics method, the compatibility equations on the characteristics are obtained. And the wave propagation of the finite length cylindrical shell is analyzed.
应用广义特征线理论得到了沿特征线上的相容方程,并采用数值积分方法分析了有限长圆柱壳的波传问题。
The paper proposes a method of measuring wave length of light wave by using minimum deviation angle based on raster.
本文通过光栅衍射给出了用最小偏向角测光波波长的方法。
The results show that the determination system is within the scope of widen wave length with low absorbency in blank solution and high absorbency in working solution.
结果表明,这些体系均存在空白液吸光度很低、工作液吸光度较高的较大的波长区间,是分光光度分析法中理想的测定体系;
For the electric vector of electromagnetic wave. we discussed its amplitude, wavelength, phase, and attenuation length.
以波的电矢量为例,具体讨论了衰减电磁波的振幅、波长、位相以及衰减波的衰减长度。
Four spectral lines with different wave length of sodium atom were selected in measuring the arc temperature by Boltzmann's Graphical Method.
试验选用了钠原子四条不同波长的谱线,用玻耳兹曼图解法求得电弧的温度。
The Numbers of half wave are related with the length of drill stem, the nature of geometry and material of drill stem and the rock coefficient.
而半波数则与钻柱长度、几何参数,材料性质及地层弹性系数有关。
It does not require irrotational conditions and the limitation of the ratio of wave length to water depth.
它没有无旋条件,没有波高对水深比值的限制。
The simulation results shows that it decreases the negative influence made by wave velocity, line length and faults grounding resistance factors, and also improves the accuracy of faults locations.
仿真结果表明此算法减小了传统方法受波速、线路长度、故障接地电阻因素的影响,提高了故障测距的精度。
The length measurement theory of electromagnetic wave in transmission line was analyzed and a cable length measuring system based on the reflection of electromagnetic wave was designed.
对电磁波在传输线中的测长理论进行了分析,设计了一种电磁波反射测长系统。
The results indicate that the precision mainly depends on the ratio of the defect length to the critical defect length defined in this paper when the wave velocity in the piles is accurate.
结果表明,当桩身波速准确时,峰-峰点反演精度主要由缺陷实际长度与定义的缺陷临界长度的比值决定。
The key problem of FBG sensor study is the optical fiber diffraction grating signal demodulation, namely, the detection of small shifting of wave length.
研究光纤光栅传感器的关键问题是光纤光栅的信号解调,即波长微小移位的检测问题。
A now spectral line of 2882.2 A is observed at far UV wave length range.
激光照射水银,在远紫外波长范围观察到一条新的水银谱线,波长为2882.2(?)
Microcomputcrs automatically control infrared grating monochrometer through interface circuit, and make a precise measurement of zero dispersion wave length for optical fibre material.
微机通过接口电路自动控制红外光栅单色仪,对光纤材料进行零色散波长的精确测量。
The method of processing data by fitting calculation in the experiment of measuring the wave length with prism spectrograph is dwelt upon.
本文阐述了用棱镜摄谱仪测波长实验中心以拟合算法处理数据的方法。
OPM(Optical Performance Monitor) can measure the performance of the light in different wave length in the optical-fibre.
光性能监测仪OPM可以方便地检测出光纤中各个波长的光波的性能。
Objective To observe the effects of millimeter wave irradiation of different time length on cornea epithelial cells of rabbits.
目的观察不同辐射时间的较强毫米波对兔眼角膜上皮细胞的影响。
The effect of measuring wave length, acidity, concentration of OP emulsifier and silver nitrate on the measured absorbance was studied.
研究了测量波长、酸度、乳化剂浓度、硝酸银浓度对测量结果的影响。
It includes mass absorption of element itself, between elements and element at original X-ray wave length.
它包括元素本身、元素间和元素对某波长的质量吸收。
A multi wave length photo electric laser power meter of the utility model relates to a testing various wave lengths laser power dynamometer in the laser technical field.
一种多波长光电激光功率计,属于激光技术领域中涉及的一种能测试多种波长激光器功率的功率计。
A multi wave length photo electric laser power meter of the utility model relates to a testing various wave lengths laser power dynamometer in the laser technical field.
一种多波长光电激光功率计,属于激光技术领域中涉及的一种能测试多种波长激光器功率的功率计。
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