Clearly, a growing number of car companies think the risk of depending on a single (and not so reliable) source of rare-earth metals is too high.
毋庸置疑，越来越多的汽车公司会认为，依赖唯一一个稀土金属来源的风险实在是太大了。
France Info radio quoted an airport authority source as saying that its absence from the radar could be a question of a transmitter failure, but that this would be a very rare occurrence.
法国资讯电台援引一名机场管理局消息人士的话说，飞机从雷达上消失可能是发射失败的问题，但是这种现象是非常罕见的。
Critics tend to focus on the impossibility of using the software in the rare, yet real, cases where there are prohibitions on using open source models for a given piece of code.
而反对者则多纠缠于这类软件无法用于为数不多(但却实际存在)的禁止为给定代码段使用开源模型的情况。
This is a rare chance to get involved at many different levels in a completely new open source project, as opposed to the more mature Apache Software Foundation projects.
这是参与这个全新的开源项目的难得机会，它与比较成熟的Apache SoftwareFoundation项目有所不同。
There are some FMRI researches on location source, but the ERP researches are so rare, and the comparison between materials is also a deficit for location source research.
位置来源记忆的神经机制研究以FMRI研究为主，ERP研究相对较少，且材料之间的比较也是位置来源记忆研究的一点不足。
High voltage pulsed electrodeless discharge in rare gases can be used as a light source for laser excitation.
高电压无电极强脉冲气体放电，可以用作激光器的激发光源。
An external clock is a common solution but it requires a digital source equipped with clock input, it exists but it is rare and specific.
(增加)外部的时钟是通常的解决方案，但这要求数字源设备具有时钟输入接口。
Oklahoma health officials said Friday they are searching for the source of a rare form of e. coli that has killed one person and sickened 116 others in the northeastern part of the state.
俄克拉荷马州的卫生官员周五表示他们正在搜寻一种罕见的大肠埃希菌(E。coli)的来源。这种细菌已在该州东北部地区导致一人死亡以及116人患病。
China will undoubtedly increase its own use of rare earth elements, which will pave the way for a North American producer to become a major source of rare earth elements for Western consumers.
中国无疑将增加自己对稀土元素的使用量，这将为北美稀土生产商成为西方消费者的稀土元素主要来源铺平道路。
China will undoubtedly increase its own use of rare earth elements, which will pave the way for a North American producer to become a major source of rare earth elements for Western consumers.
中国无疑将增加自己对稀土元素的使用量，这将为北美稀土生产商成为西方消费者的稀土元素主要来源铺平道路。
应用推荐