21. | at a minimum of expense. |
| 以最少的费用。
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22. | at the minimum of cost. |
| 以最低的成本[费用]。
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23. | Practise each day for a minimum of twenty minutes. |
| 请每天至少练习20分钟。
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24. | We have reduced our expenses to the minimum . |
| 我们已将费用减至最小额。
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25. | achieve the maximum of efficiency with minimum of labour. |
| 以最少的劳动取得最高的效率。
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26. | I soon finished a paper, which I compressed to minimum length. |
| 我很快写成了一篇论文,并将其篇幅压缩到最短的长度。
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27. | The machine will give a long service with minimum upkeep. |
| 只要最低限度的保养,这台机器就能长期使用。
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28. | Minimum weight and volume are almost overriding requirements for any missile servo. |
| 对于任何一种导弹的伺服系统来说,使它的重量为最轻的体积为最小,几乎是最主要的要求了。
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29. | The airship is constructed on the principle of reducing it to a minimum of weight consistent with the strength. |
| 飞艇是根据在不影响牢度的前提下尽量减少其重量的原则建造的。
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30. | Materials are all washable and non or minimum iron. |
| 料子可以洗,便勿用熨斗烫,或尽量少烫。
|