Only use back-up boiler when occupancies require additional water.
只有当入住率要求更多供水时，才使用备用锅炉。
In engineering through the pre-processing and use back way, this indicator can be achieved.
在工程上通过预处理并采用回流方式，这个指标是可以达到的。
The project actually started with a very simple ASP framework written for internal use back in 1999.
项目实际上开始于一个非常简单的内部使用的ASP框架，其可以回溯到1999年。
Use back seal design, can replace top seal parts under pressure. Entirety of non-rising bonnet design, have compact structure.
采用倒关双密封设计，可带压更换上密封组件，整体阀盖暗杆设计，结构紧凑。
Such levels previously have been reported only for photo diodes manufactured with special processes that use back-side illumination, or for discrete UV photo diodes.
如此高的水平以前仅被用于使用背面照明，或离散u V光二极管特殊工艺制造的光电二极管的报道。
Feedforward networks use back propagation algorithm to train a multi-layer network. After training, the multi-layer network can fit the function in the data space very well.
前向网络利用反向传播算法训练多层网络，使训练后的网络较好地拟合样本空间中各点的函数值。
Recommend the initial use back back good 2-4 hours from start to adapt to gradually extend the wear of time, from a security point of view should not be worn during sleep to use.
建议初次使用背背佳从2 - 4小时开始，适应后逐渐延长佩戴时间，从安全角度考虑睡眠时不宜佩戴使用。
Now I, or someone else might forget the leading or trailing slash and some Windows user might use back slashes instead of regular slashes, so I decided to just handle that in the script.
现在，我(或者别的什么人)可能忘记了前导斜杠或末尾斜杠，而一些Windows用户可能使用反斜杠而不是正斜杠，因此我决定在脚本中对此进行处理。
If you use something, put it back!
用过的东西要放回原处！
The government must not use this initiative as a means of resolving the pension problem through the back door.
该政府绝不可使用这种方式，采取不正当的措施解决养老金问题。
The food industry will be alarmed that such senior doctors back such radical moves, especially the call to use some of the tough tactics that have been deployed against smoking over the last decade.
资深医生不但支持这些激进的举措，甚至呼吁使用过去10年间抵制吸烟的强硬手段，这为食品行业敲响了警钟。
There the colonists grew crops and extracted products for their own use and for transshipment back to their high-altitude compatriots.
在那里，殖民者种植作物，抽提产物供自己使用，并转运回去给处于高海拔地区的同胞。
To build up a better picture of fluctuations appreciably further back in time requires us to use proxy records.
为了更好地了解更早时期的波动，我们需要使用代理记录。
An elephant will sometimes use a stick to scratch its back.
大象有时会用树枝挠背。
The operation gave him back the use of his legs.
手术使他双腿恢复了功能。
After these people go back to the real world they may never use these skills again.
这些人回到现实世界后，他们可能再也不会使用这些技能了。
If your hands are tied behind your back, you will not be tempted to make use of them.
如果你的手被绑在背后，你就不会想要用双手。
The platoon tried to use a winch and a hook to pull the truck back onto the road, but it was too heavy.
部队试图用绞车和钩子把卡车拽回到路上，但它太重了。
They pushed and tried to force the whale back into the water, but it was no use.
他们推着，试图迫使鲸鱼回到水里，但没有用。
I've brought back many things I can use—food and drink, tools, knives and guns.
我带回了许多可以使用的东西——食物、饮料、工具、刀和枪。
For all the use we are to her, we might well go back to the ship.
尽管我们对她很有用，我们还是回到船上去吧。
If you and I parachuted back to Fortune 500 companies in 1990, we would see much less frequent use of terms like journey, mission, passion.
如果你和我空降回到1990年的《财富》500强公司，我们很少会看到有人使用旅程、使命、激情这样的词汇。
A campaign is getting underway in Italy to take back large stretches of the country's beaches from private bathing clubs which usually charge to use them.
意大利正在进行一项从私人浴场收回大片海滩的运动，这些私人浴场通常收取使用费。
The use of digital technology can bring images of deceased celebrities back to the screen.
使用数字技术可以使已故名人的图像重新出现在屏幕上。
Participants were balanced across the three groups for age, sex, educational back-ground, severity and duration of depression, and use of antidepressants.
这三组参与者在年龄、性别、教育背景、抑郁症的严重程度和持续时间以及抗抑郁药物的使用上保持平衡。
The police had to use force to hold back the crowd.
警察不得不用武力阻止人群。
Like a family tree that you might use to trace back through generations of ancestors, only it's showing a family of genetically related languages instead of people.
就像你可以追溯祖先的家谱一样，它只是在显示与遗传相关的语言，而不是人类。
You may use both the front and back of the paper.
你可以使用纸张的正反面。
You may use both the front and back of the paper.
你可以使用纸张的正反面。
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