查询词典 life span

S a very limited time span in the young bird's life when IBD vaccine can be effective.

幸运的是已经有安全，有效的疫苗，只要正确的使用就能够提供充足的保护以防止IBD的侵害。

And let me the canakin clink, clink; And let me the canakin clink A soldier's a man; A life's but a span; Why, then, let a soldier drink.

一瓶一瓶复一瓶，饮酒击瓶玎璫鸣。我为军人岂无情，人命倏忽如烟云，聊持杯酒遣浮生。

So the thesis bring out practical significance in improving the durability and service life of long span continuous rigid frame bridge.

通过本课题研究，在提高我国现有桥梁的耐久性和正常使用寿命，以及增长桥梁工程的投资效益具有较强的实际意义。

The span of the worker bee's life is about 35-40 days; while the queen lives 5-6 years and is extremely prolific.

跨度的工蜂的寿命约为35-40天；尽管女王生活六年，是极其多产。

Bailey bridge(also be named Compact panel bridge) is a standard bridge equipment, adopted extensively and the most popular in the world, possessing the features of simple structure, convenient transport, speedy erection and easy disassembling capacity, great stability and long fatigue life being capable of an alternative span, loading capacity and mixture form to erect all kinds and usage of Temporary Bridges, emergency bridges and fixed bridges.

贝雷桥是世界上应用广泛最为流行的一种桥梁，它具有结构简单、运输方便、架设快速、分解容易的特点，同时具备承载能力大、结构刚性强、疲劳寿命长等优点。它能根据可选择的跨径组合成各种类型和各种用途的临时桥、应急桥和固定桥。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。