If you cannot change the working distance, you are somewhat limited in choosing your lens.
如果你不能变更工作距离，你在选择镜头上就免不了规限了。
The working distance is the distance from the front of the lens to the object under inspection.
工作距离是由镜头前到观察目标物的距离。
The automatic placement of an aspherical lens in front of a fibre-scope depends on the working distance.
光纤显微镜前的非球面镜自动装配依赖于工作距离。
Featuring long working distance and excellent depth of field, it accommodates a wide variety of components for inspection.
工作距离长，景深深，可检测各种元气件。
The dome of the utility model has important significance on improving working environment of sonar and increasing working distance of sonar.
本实用新型结构的导流罩对于改善声呐工作环境，提 高声呐作用距离具有重要意义。
Optimized result indicates that the dispersive objective based on the proposed configuration has small longitudinal aberration, a large ACA, and a long working distance.
光学优化设计表明，具有正负透镜分离结构的色散物镜可以得到低的球差和大的轴向色散，而且具有较大的工作距离。
A lens is primarily defined by its focal length. Figure 4 illustrates the relationship between the focal length of the lens, field of view, sensor size, and working distance.
一个镜头的基础定义是其焦距，图4图示出镜头焦距，视野，感应器大小，和工作距离间之关系。
The error associating with the working distance and inclination angles is measured by using a specially designed device, and compensated via an improved BP neural algorithm.
提出了倾斜误差的检测方法并设计了检测装置，利用改进的BP神经网络模型实现了倾斜误差的补偿。
Based on the mechanism of radio propagation, this paper builds an RFID signal loss model and calculates a safe working distance at which readers could operate simultaneously.
根据无线电波的传输机制建立起RFID系统信号损失模型，并推导出多读写器能够同时工作的安全距离。
The UHVDC power transmission possesses such advantages as high transmission capacity and long working distance, so its position can not be replaced in the electric energy flowing in the future.
特高压直流输电具有送电容量大、送电距离远等优点，在今后的能源流动中具有不可替代的地位。
Measure your distance and write it down. Knowing what is working and what isn't will help you improve your technique.
测量并记录下你吐的距离。搞清楚哪些方法可行哪些不可行，才能让技术愈发娴熟。
As you can tell from the cameras, the course is in fact filmed for reasons of distance education and your benefit for review; we've been working on this past summer what we dubbed cs50.
你们从大屏幕上可以看出来，该课程实际上是为远程教育拍摄的，你们能够在评论的过程中获益良多，今年夏天我们一直忙于cs50。
The test site was a short distance from where I would be working, if I passed.
如果我通过的话，考试地点和我将要工作的地方只有一小段距离。
In a lot of ways, LeBron's working to distance himself from him.
在很多方面，勒布朗正在努力把自己和他区别开来。
He had a Mercury brought out of the lab, and, keeping Kearns at a distance, demonstrated to him that, as chance would have it, Ford was working on an intermittent wiper, too.
他从实验室中带来了一辆墨丘里车然后向卡恩斯展示了一番，并且告诉他福特公司也在研制类似的雨刷。
It's possible that in this general drama of overvaluation that Milton's working to distance himself from his own youthful interest in the virtues of virginity.
这是可能的，在被高估的戏剧中，弥尔顿的作品，让他无法投入到自己年轻时对贞操的兴趣中去。
Nahor was watching in the distance. He wasn't even paying attention to working.
纳曷尔在远处看着我们，他根本就不能把心思放在放羊这件事情上。
The top steam discharge valve discharge distance could regulate to maintain the working pressure.
顶部排汽阀的开度应调控，以保持连排内的工作压力。
The NIA program is designed to be studied part-time by distance learning to allow members to complete the program whilst working.
NIA课程是针对在职工作的会员业余时间的远程学习。
The effect of working parameters on the erosion performance of underwater jet is investigated, such as , simulated depth, stand off distance and exposure time.
试验研究了模拟水深、靶距及冲蚀时间对水下射流性能的影响关系，较全面地揭示了水下射流的特性。
Therefore, the vibration-avoiding machine should meet the strict restrictions on the lifting distance of the coasting body caused by weight variation in different working periods.
因此，避振器须满足惯性体由各工作阶段的重量变化导致的升降距离变化的严格限制；
This paper introduces the features and molds' working course of a variety of certain distance parting mechanisms.
介绍了各种定距离分型机构的特点，模具的工作过程。
The lag distance of abutment pressure behind working face increases, but the convergence coefficient of vertical stress doesn't change obviously with the increase of mining height.
分层开采与综放开采工作面滞后支承压力变化规律是，随着采高的增大，工作面滞后支承力的距离加大，垂直应力集中系数差别不大。
Through the seismic wave exploration by us in A2 and A3 working faces, the conditions, velocity, frequency and penetrating distance of seismic wave in the main mining seams are understood preliminary.
通过在A 2、A 3两个面的槽波探测工作，初步了解了其主采煤层的槽波条件、波速、频率和槽波穿透距离。
A documentary follows a Canadian fellow working on his dream: building a suit of armor so he can observe grizzly bears from a close distance.
这是一部关于一个加拿大人关于他的梦想的记录片：制造一套可以近距离观察大灰熊的装备。
It has to be a bigger distance, a broader abyss, and that's what Iser is working with in the passages I'm about to quote.
它必须是一个更大的距离，更宽的深渊，这就是伊瑟尔在我想引用的那些话里面所试图说明的。
According to the working principle of color kinescope, the article deduces the formula that the purity convergence magnet adjusts the electron beam moving distance.
文章根据彩色显像管的工作原理，对会聚磁组件调整电子束产生的移动量进行模拟推导计算，推导出的公式为新产品的开发提供了有益的途径。
Short-term working duration in UK, experience traditional English culture and have zero distance contact with officers in historical universities.
短期赴英工作机会，感受正统英国文化，与历史名校的国际办公室官员面对面交流。
Short-term working duration in UK, experience traditional English culture and have zero distance contact with officers in historical universities.
短期赴英工作机会，感受正统英国文化，与历史名校的国际办公室官员面对面交流。
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