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It is necessary to study the reliability of the structure during the construction because the structure is a time-varying system and the variable loads are random processes about time with particular characteristics different with the use period.
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由于施工过程中，结构是一个时变结构，结构的抗力是一个随机过程，荷载也具有与使用期不同的特点，所以有必要研究施工期间结构的可靠度。 |
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It is necessary to sum up the Planning of Middle and Lower Reaches of Lancangjiang River, which can provide some useful experience for further doing the hydropower planning in Yunnan Province well.
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为此对《澜沧江中下游河段规划》进行认真的总结是完全必要的，可为进一步搞好云南省的水电规划提供有益的经验。 |
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It is necessary to take ecological restoration to improve water quality in ecosystem destructed headwaters area of reservoir.
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摘要为改善和保证库区水体水质，有必要对生态系统受到破坏的水库水源地进行生态修复。 |
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It is necessary to take good note of this lest the parcel should be mixed up on loading.
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有必要注意此事，以免货物在装运中被放混。 |
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It is necessary to take our umbrellas or raincoats with us.
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我们很有必要随身带上雨伞或雨衣。 |
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It is necessary to take the route of prostatic inolement into account when estimating prognosis in each indiidual patient, since contiguous growth into the prostate is associated with worse prognosis.
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在每例患者中有必要考虑浸润前列腺程度评估预后，因为癌症在前列腺中浸润性生长与预后差有关。 |
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It is necessary to transform traditional industries with high and new technology and advanced adaptive technology and invigorate the equipment manufacturing industry.
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用高新技术和先进适用技术改造传统产业，大力振兴装备制造业。 |
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It is necessary to understand I think that vary with each individual in cultural difference. Exactly so-called: Different people have different views.
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有没有必要了解文化差异我认为因人而异.正所谓:仁者见仁,智者见智. |
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It is necessary to use a short-wave radio to pick up the programmes.
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要收听这些节目，必须有一台短波收音机。 |
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It is necessary to use a short-wave radio to pick up the programs.
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必须有一台短波收音机才能收听到这些节目。 |
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It is necessary to use quantum mechanics to understand the behavior of systems at atomic length scales and smaller.
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使用量子力学以原子尺度和更小尺度理解系统行为是必要的。 |
