英汉双语例句-生物医药大词典

It is necessary to review the old article before start learning new article.

中文意思：
问题2再开始新的一课前复习旧的一课是必要的。

以下为相关句子列表(点击查看，可以看对应的解释）：

	It is necessary to oppose and reject all kinds of cacodoxy against Marxism for the purpose of keeping the status of Marxism.			坚持马克思主义的指导地位，必须坚决反对和抵制各种反马克思主义的错误思潮。
	It is necessary to plan flood control and waterlogged elimination, calculate and analyse the size of water gate, as well as to bring forward the reasonable and feasible running way.			要解决好围涂工程中的防洪除涝问题，必须做好全流域范围内的防洪除涝规划和围区规划工作，计算、分析并确定水闸规模，最后提出合理可行的水闸运用方式。
	It is necessary to put religion into the frame of the state and society, and integrate the sociological study of religion with the religious study of sociology.			中国宗教社会学的研究，应当把宗教置于国家与社会的架构之中，是宗教的社会学研究与社会学的宗教研究的结合。
	It is necessary to record the linear scale before and after log and the time difference curve in the acoustic variable density log.			摘要阐述了声波变密度测井时对其进行测前、测后线性刻度及记录时差曲线的必要性。
	It is necessary to remove the dirt and pathogenic bacteria, to avoid contaminating germ free or sanitizing articles and to avoid infection and cross-infection.			答：除去手上的污垢及污染的致病菌，避免污染无菌物品或清洁物品，避免感染和交叉感染。
	It is necessary to review the old article before start learning new article.			问题2再开始新的一课前复习旧的一课是必要的。
	It is necessary to root out corruption in government.			铲除政府内部地腐败现象很有必要。
	It is necessary to step up currency control policy while continuing to stick to an overall stable principle, it said.			在保持总体政策稳定性的同时还需要强化执行货币控制政策。
	It is necessary to strengthen our competitive ability.			有必要增强我们的竞争能力。
	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.			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。
	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.			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。