截止型玻璃滤光片具有光谱透射特性好，性能稳定，工作波长容易选择等特点。
Cut off glass filter has specific properties in spectral transmittance, steadiness, working wavelength selection ect.
按照这项新法规，截止2015年，现存锅炉必须由6号燃料油换成4号低硫型燃料油或与之相当的较为清洁的燃料。
Under the new rule, by 2015, existing boilers must switch from No. 6 oil to a low-sulfur version of the No. 4 heating oil or to an equivalent cleaner fuel.
截止6月11日，世界卫生组织确认全球共有28 774例甲型H1N 1流感确诊病例，其中包括死亡病例144例，但据信还有无数感染者未上报。
Through June 11, the World Health Organization had confirmed 28, 774 cases of swine flu and only 144 deaths, though many, many more people are believed to have been stricken.
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