研究了在不同的光纤有效作用长度时，拉曼放大器增益与抽运功率的关系；
The relation between the gain of Raman amplifier and pump power at different effective interaction length of optical fiber is anlyzed.
本文介绍了密封面作用长度的快速检测装置，此装置适用于发动机中进排气门的在线检测。
This paper introduced the fast detection device of acting length of the sealing face which is suitable for on line detection of inlet and exhaust valve of the engine.
模式转换效率可化作声波频率、声光作用长度、波导厚度和声波功率密度的函数，并利用数值计算得出结果。
Mode conversion efficiency has been calculated as functions of acoustic frequency, interaction length, guiding layer thickness, and acoustic drive power density.
在光的非线性传播过程中，增加泵浦光的强度及光和物质的互作用长度是获得较高的频率转换效率的主要途径。
In nonlinear optical frequency conversion process, it is desirable to maximize the product of the intensity of pump laser and the interaction length in order to achieve maximum conversion efficiency.
色素的作用是“作为一个捕捉光线的天线，”贝尔彻说，“然后能量通过病毒长度传递下来，病毒就像电线一样。”
The role of the pigments is "to act as an antenna to capture the light," Belcher explains, "and then transfer the energy down the length of the virus, like a wire."
色素的作用是“作为一个捕捉光线的天线，”贝尔彻说，“然后能量通过病毒长度传递下来，病毒就像电线一样。
The role of the pigments is “to act as an antenna to capture the light, ” Belcher explains, “and then transfer the energy down the length of the virus, like a wire.
浏览一下这些数据，看你是否能获得让你的视频发挥更多作用的理解，视频的最佳长度是多少，除了你自己网络之外有多大的网络覆盖范围。
Take a look at this data and see if you can gather any insights about which video content works best, what is the optimal length, and how much coverage your video received beyond your own network.
与白昼和黑夜的时间长度密切相关的是一年中的四季变化，最明显的是夏季和冬季的差别。其原因是太阳的光照和温度在同时发生作用。
Intimately connected with the length of day and night are our seasons, especially summer and winter; for together with the sun's light heat is also called forth.
若弹簧长度加倍，拉长刚才的两倍，当我把两个弹簧串联，任何一个弹簧，在这个力的作用下，将会拉长相同的量。
If I make the spring twice as long, I would get double the extension, because when I have two springs in series, each one, under the influence of this force, will get longer by this amount.
混合室在流浆箱中起着均匀浆流、稳定压力的重要作用，而混合室的长度是混合室设计中的重要参数。
The mixing chamber of headbox plays an important role in homogenizing pulp flow and stabilizing pressure fluctuation of pulp. The length of mixing chamber is an important parameter.
结论股骨骨髓腔长度、狭窄部形态及弧度等参数在交锁髓内钉的设计和应用中发挥着制约性作用。
Conclusion The length of the femur medullary cavity, the form of narrow part and the arc were exerting the conditionality function for designing and applying the Chinese intramedullary nail fixation.
而根的长度是根型的主要参数，对于养分的吸收，耐旱和作物的产量都有重要的作用。
The root length is main parameter of root architecture with various important functions such as nutrient uptake, drought tolerance and yield.
并分析了光纤环光学长度、耦合输出系数、损耗对光纤环光谱传递函数的作用。
The effects of the optical length, the output couple coefficient, and the loss on the STF of optic fiber ring are analyzed.
岩锚初始预应力、自由段长度、外部荷载量值控制着锚索及锚碇在锚碇系统中参与的荷载贡献值和作用时机。
Initial prestress, length of free-segment of anchor cable and the load value determine contribution value and action occasion of the anchor cable and tunnel anchorage.
钢骨柱部分伸进转换梁中，随着钢骨伸进转换梁中长度的增加，转换梁对钢骨的包裹嵌固作用增强。
The steel framed reinforced concrete column partially penetrates into the transfer girder, whose build-in effect to the column enhances with the increase of the penetrating length.
生活就像一出戏剧：起作用的不是它的长度，而是演出的精彩程度。
Life is like a play: it's not the length but the excellence of the acting that matters.
一般来说，柔毛的机械作用取决于毛状体的四个主要性状：密度、直立性、长度和形状。
In general, the purely mechanical effects of the pubescence depend on four main characteristics of the trichomes: density, erectness, length, and shape.
一种限制仪器或系统的测量作用的机制。地震数据采集中，排列的长度就有孔径的作用。
A mechanism to limit the affects of measurements on a device or system. In seismic data acquisition, the length of the spread has the effect of an aperture.
在影片中，约翰尼扮演约翰·迪林格和他在谈到他为什么长度大约要发挥作用，他没有什么研究。
In the film, Johnny plays John Dillinger and he spoke at length about why he wanted to play the role and what research he did.
在静电力作用下，悬臂梁粘连的位置和长度会改变，使得执行器的电压位移特性严重依赖加载历史。
The position and length of cantilever stiction change with static driven voltage, so the voltage displacement characteristic depends on load history.
深入了解侧偏松弛长度的特性对研究轮胎动态特性和建立轮胎动态模型具有重要的作用。
Thoroughly understanding the property of relaxation length is very important in studying tire transient property and setting up tire transient model.
研究发现初始滑移长度对低剪切率下的滑移行为起主要作用，而临界剪切率决定了高剪切率下的边界滑移程度。
It is found that the initial slip length controls the slip behavior at small shear rate, but the critical shear rate controls the boundary slip at high shear rate.
结果与结论：结果表明：在硫芥的作用下细胞DNA的迁移率和迁移长度增加，且呈显著剂量效应关系。
Results and Conclusion: The results show that the length of DNA migration and the frequency of tailed cells increase, and the dose-effect relation is obvious.
有效长度系数对于这种连接的设计起关键作用。
The effective length factor for the compression design of the cleat is considered.
采用稳态极化技术研究了三相线长度、宽度及溶液浓度在金属腐蚀阴极过程中的作用。
The effect of the TPB zone on the cathodic process of metals was studied by steady-state polarization test.
目的了解基因治疗对移植气管早期血运重建及延长移植气管长度的作用。
Objective To investigate methods of promoting revascularization of tracheal transplantation to increase the length of graft.
函数的作用是：返回一定记录中指定字段的长度。
The mysql_field_len() function returns the maximum length of a field in a recordset.
函数的作用是：返回一定记录中指定字段的长度。
The mysql_field_len() function returns the maximum length of a field in a recordset.
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