The level system uses new model of Web accessing and level computation to build Web level system so that the requirement for computer resources is greatly reduced.

该搜索引擎的级别系统使用了新的网络访问模型和级别计算模型，大大降低了搜索引擎对于计算机资源的要求。

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Bias against women permeates every level of the judicial system.

对妇女的偏见全面影响司法体系的各个层面。

《柯林斯英汉双解大词典》

By gathering system usage information from all the people involved, we can reconstruct the sequence of processing at the business level.

通过从所有涉及的人那里收集系统使用信息，我们可以在业务层重新构造处理序列。

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In 2009,Sierra Leone President Ernest Bai Koroma launched a review of the education system following abysmal exam results at both the primary and secondary level.

VOA: standard.2010.02.25

The respiratory system plays an important role in maintaining our internal environment at the proper level of oxygen, by bringing the right amount in.

呼吸系统的重要性在于,通过向体内输入适量的氧气,维持人体内环境中的氧平衡

耶鲁公开课 - 生物医学工程探索课程节选

Now, if I was a person that was designing a vaccine and I noticed that this was the response that it got, that antibodies were produced, they reached some intermediate level, they started to fall, I would say, "Well I haven't stimulated the immune system enough, let me re-boost, let me give another dose of antigen."

现在,如果我正在研究一种疫苗,我注意到机体会对这种疫苗产生应答,也就是会产生抗体,当抗体浓度达到中等水平后,就开始下降,就可以说,疫苗对免疫系统刺激还不足,我需要提高抗原浓度,让我再把剂量再加大一倍

耶鲁公开课 - 生物医学工程探索课程节选

These include the international seismic monitoring network, the international array of sea level measuring stations (the Global Sea Level Observing System, the Global Telecommunication System of the World Meteorological Organization and associated public geostationary satellites) and the internet.

UNESCO: & CTBTO: Working together to issue timely alerts

There needs to be more integration with the keyboard at the system level, and that's probably something Google should address in a future revision to Android.

ENGADGET: Samsung Galaxy Pro review Mobile

Head teacher of Wellington College, Anthony Seldon, warmly welcomed such changes if they made the A-level system more like the IB.

BBC: A-level students facing shake-up