查询词典 span

The double-decker plane has a wing span wider than a football field and hold more than 500 passengers.

双甲板的飞机有一个比足球场更宽广的翅膀能容纳500多名乘客。

Yet, in just a span of seven years, the Dow rose 40%.

可是在同样的7年中，道指上涨了40%。

A dragonfly has life span of 24 hours.

蜻蜓的寿命只有24小时。

A dragonfly has a life span of 24 hours.

蜻蜓的寿命只有24小时。

Bob has been in the forefront of transportation operating practices and procedures, having had hands on experience with every phase of rail operations, intermodal, port operation on dock, near dock and drayage, train dispatching from non-signaled train order territory through computer assisted traffic control mainline· His 30 years of experience span the period from the rigidly regulated practices of the late 1960's encumbered with volumes of paperwork through the deregulated virtually paperless environment that gave rise to multi-modal deregulated shipping alternatives to create market demand and augment many manufacturing entity efforts through vastly improved efficiency procedures to dramatically reduce costs and improve service

吉农先生一直站在运输经营和程序业的前沿，并有各项铁路业务，联运，在港口经营码头及码头附近区域，对复式列车调度的全港电脑辅助交通控制等方面的工作经验。他30多年的工作，经历了由六十年代后期的大量传统办公方式到现在的无纸化办公，这都使其得以运用多种航运调节办法，创造市场需求，通过大幅度提高效率大大降低成本和提高服务。

Objective To study the effects of di-n-butyl phthalate on the fecundity and the life span in drosophila melanogaster.

目的 研究邻苯二甲酸二丁酯对果蝇生育力和寿命的毒性作用。

With the rapid development of the technology of computer and automation, the computer control system is widely used in the manufacture of Al electrolysis and the efficiency is improved and the life-span of the electrobath is increased.

随着计算机和自动化技术的发展，以计算机为核心的自动控制系统已经被广泛应用于铝电解生产过程的控制，提高了生产效率、延长了电解槽寿命。

With the rapid development of the technology of computer and automation, and the demand of the product locale, the computer control system is widely used in the manufacture of aluminum electrolytic and the efficiency is improved and the life-span of the aluminum electrolytic cell is increased.

随着计算机和自动化技术的发展，以及生产现场的需求，以计算机为核心的自动控制系统已经被广泛地应用于铝电解的生产过程控制，提高了铝电解的生产效率、延长了电解槽寿命。

In these three stages, the first stage, which lasts about 3~4 days, is shorter than the other two stages, but it influences the life-span of electrolyzer directly, and accordingly influnces the economic benefits of electrolytic aluminium factory.

在这三个阶段中，焙烧阶段时间最短，一般只有3～4天左右，但是焙烧的好坏直接影响到电解槽的寿命，进而影响到铝厂的经济效益。

As a matter of fact, the previous ways belong to resistance-heated method. Because of uneven heating and some other causes, these methods have a great harm to the life-span of electrolyzer.

这些方法从本质上来讲均属于电阻加热法，由于加热不均等原因，对铝电解槽的寿命都有致命的影响。

Objective:To compare the response control and attention of Schizophrenic patients with that of the healthy controls by Integrated Visual and Auditorycontinuous performance test. To quantitate the impairment of cognitive function in patients, and to explore the relationship between cognitive function and the severity of the disorder.

目的：探讨精神分裂症病人在IVA持续操作测试中的反应控制能力、注意力等，并与健康人进行比较，从而量化精神分裂症病人的认知功能损害，并进一步探讨其认知功能与疾病严重程度的关系。

Main effective factors including subcooling degree, mechanical vibration, gas hydrate reformation, environment temperature, noncondensing gas and surfactant are analyzed.

指出过冷度、机械振动、重复生成水合物、环境温度、不凝性气体、添加剂是影响气体水合物生成的主要因素，还对R152a水合物的放冷进行了实验研究。