干旱等级(Dry grade)是2006年11月1日开端实行的8个气象国家标准之一,是中国首次宣布的用于监测干旱灾害的国家标准,这将停止中国干旱监测和评估技术...
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But if more diluted weapons-grade uranium isn't secured soon, the pipeline could run dry, with ramifications for consumers, as well as some American utilities and their Russian suppliers.
但是如果更多稀释了的武器级的铀没有很快保存,输送管道很快就会干,从而损害消费者,及一些美国的公用公司和俄罗斯供应商。
But, recognizing that many people won't eat this way, he says that some pharmaceutical grade omega-3 supplements can deliver the essential nutrients needed to prevent dry eye.
但是,他认为很多人不会这样饮食。他说,利用一些药物补充omega - 3脂肪酸,能够提供必需营养素以防止干眼病。
In March NeuroFocus, another California-based outfit, demonstrated what it claims is the first medical-grade dry EEG headset.
三月,总部位于加州的NeuroFocus展示了他们号称是第一台医用级的EEG头套。
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