除去延长管缩短间隔让任何的用两眼的观众到达没有一个巴罗镜的焦点。
Removing the extension tube shortens the spacing to allow any binocular viewer to reach focus without a Barlow lens.
采用锥角过度节流油嘴设计、多级节流油嘴降压设计和多路放喷管汇设计，达到延长管汇寿命保证安全生产之目的。
Improvement program use of cone Angle chokes; multi-nozzle chokes and multiple exchange design to extend manifold service life to ensure safety.
丰田驻北京的一位高级销售和市场高管说，产品开发时间可能会延长两到六个月。
Product-development times may be extended by two to six months, said a senior Beijing-based Toyota sales and marketing executive.
凭借让照相机快门打开时间延长，通常超过1分钟，就能使用发光二极管、闪光灯，乃至闪光物体绘出光线踪迹。
By having a camera's shutter open for extended periods of time, often well over a minute, trails of light can be drawn with LEDs, flashlights, or even sparklers.
通过奖励措施来延长高管们注意广度的尝试并不成功。
Attempts to increase the attention span of executives by using incentives have failed.
在探测器电路中采用猝灭电路，延长了G-M计数管的使用寿命。
The quenching circuit in the detector lengthens the using lifespan of G M counter.
输精管分数，手腕和周向弯曲，延长治疗前后测量由表1给出。
The VAS scores, wrist flexion, extension and circumference measurements before and after treatment are given in Table 1.
实践证明，该技术改造能有效的防止换热器管板的开裂，延长了换热器的使用寿命。
Practice proved that technical reconstruction can prevent effectively the crack of exchanger tube sheet, and prolonged the service life of exchanger.
结论机械通气病人发生非计划拔管可延长机械通气时间、住icu时间和住院的时间，但不增加死亡率。
Conclusions Unplanned extubation of mechanical ventilation patient can prolong mechanical ventilation period? ICU period and total hospital period, but it doesn't increase mortality.
本文重点从理论上分析了如何延长大功率管的寿命，以及怎样才能在实际电路中实施这一方案。
How to prolong the service life of high power vacuum tube and how to implement the proposed plan in practical circuits is discussed theoretically in this paper.
机械自紧是提高火炮身管和高压容器承载能力，延长疲劳寿命的有效方法。
Mechanical autofrettage process is an efficient approach to enhance the elastic carrying capacity and prolong the fatigue life of gun barrels and high pressure vessels.
保护电路对于VVVF系统的可靠性、延长装置的寿命及避免功率管损坏都起到决定性作用。
The protection circuit is playing the decisive role in the reliability of VVVF system, lengthening the life of the installment and avoiding the power tube broken.
该膜能够有效地阻止离子反馈，对延长像管的寿命具有重要意义。
The film can stop the ion feedback effectively and it is very important to lengthen the life of the image tube.
此外，这还使发光二极管的寿命延长，远远超出在紧凑型荧光灯照明下，导致降低维修和更换费用。
In addition, the lifespan of the strobed LEDs is extended well beyond that of the compact fluorescent lighting leading to lower maintenance and replacement costs.
这些结果表明，螺旋位错密度的降低延长了激光二极管的寿命。
These results show that reducing the threading dislocation density extends the lifetime of LD.
维护大功率电子管和延长其使用寿命，对保障电视发射机稳定、安全、可靠地工作和节约资金都起着重要作用。
The maintainance of high power vacuum tube and the prolongation of its service life play an important role in the steady, safety and reliable operation of TV transmitter and in saving of money.
通过C8051F040单片机对中子管的灯丝电压、靶压以及阳极脉冲进行控制，使其工作在一个理想状态，是提高仪器测井效率、延长中子管使用寿命的重要手段。
By using C8051F040 SCM to control the neutron tube's filament voltage, the target voltage and the pulse of the anode, the downhole tool can work at an ideal state.
改造时将分酸装置由分酸槽挂爪式改为管式分酸器，有效地延长了干吸塔的寿命。
After changing the suspension acid distributing tank into tube acid distributor, service life of the drying and absorption towers has been extended effectively.
同时也大大延长开关管的使用寿命。
At the same time also greatly extend the service life of switch.
衬管补贴工艺技术能实现对射孔井段、套损部位的有效补贴，延长油(水)井开发生产的周期。
The technology of liner subsidy is effectively done to perforated parts and destroyed casing which can prolong the period of the water and oil Wells for production.
介绍了影响胶管总成密封性能的几个质量问题，以及延长胶管总成密封寿命的几种方法。
The paper describes quality problems which effect the sealing performance of rubber tube assembly and puts forward some methods to prolong the seal's life of rubber tubes.
全玻璃真空太阳集热管内外玻璃管夹层间真空度的保持情况对有效降低热损、提高太阳能的利用率、延长集热管的寿命都有至关重要的作用。
The vacuum degree between the inner and cover glass tubes plays a very important role in heat loss and the life time of all-glass evacuated collector tube.
该新管防腐、防渗透性好，且可不开挖修复旧管，同时延长了管道的使用寿命。
The old pipelines so treated are anti-corrosive, non-permeable and have a longer serve life.
把更换下来的旧油管加工成复合油管应用到杆管偏磨的油井中，既延长了检泵周期，又节约了生产新油管的钢材。
Re-machining the failed tubing into complex tubing and re-usage of it, can prolong pump-checking cycle and save steel.
若分枝管的截面积大小不同，则细支管与母管中心延长线间的夹角较大；
If the cross section area of the two branching ducts are different, the Included angle on the smaller branch duct against the extended center line is usually bigger.
结论专项培训可提高护理质量，减少PICC患者置管相关并发症的发生，延长其留置时间。
Conclusion Special theoretical training can improve nursing quality of, reduce PICC complications and prolong the dwelling time.
由于上述操作简单，不必投入大量人力、物力和大量的劳动，延长了胶管的使用寿命。
Because of the simple operation and no requirements for a large quantity of manpower, materials, and labor, the service life of the hose is prolonged.
这种冷凝器盘管还具有不易损坏，能延长设备使用寿命的优点。
The coil pipe of the condenser also has the advantages of difficult damage and extension of the service life of the device.
这种冷凝器盘管还具有不易损坏，能延长设备使用寿命的优点。
The coil pipe of the condenser also has the advantages of difficult damage and extension of the service life of the device.
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