lengthen the span

双语例句

1. The average life span of humans continues to lengthen, and some scientists have begun to ponder whether this trend will continue indefinitely.
随着物质生活的不断提高，人类的平均寿命有不断变长的趋势。一些科学家们也开始仔细思考这个趋势是否会一直持续下去帮助人类达到永生。

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2. It prevents and cures hereditary disease, prevents the mankind from being old and feeble, lengthen one of the important theoretical foundations of the human life-span.
它是防治遗传病，防止人类衰老，延长人类寿命的重要理论基础之一。

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3. The raising of organic solvent purity can lengthen the life-span of expensive chromato scrubber, improve analysis quality, spare the manpower and financial resources.
所用有机溶剂纯度提高后，对延长昂贵的使用、提高分析质量、节省人力财力有一定作用。

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4. The result declared that the system we designed had got the aim to cut down maintenance time and lengthen the life-span of aircraft.
地面机务维护部门使用结果表明飞机健康专家系统达到了减少地面维护时间和增加飞机使用寿命的目的。

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5. The result declared that the system we designed had got the aim to cut down maintenance time and lengthen the life-span of aircraft.
地面机务维护部门使用结果表明飞机健康专家系统达到了减少地面维护时间和增加飞机使用寿命的目的。

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