Nbsp; If your subject is not in the center of the picture, you need to lock the focus to create a sharp picture.

假若你的拍摄对象不是在照片中央，你就需要锁定焦点已获得清晰的相片。

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Semibleached alkaline sulfite-anthraquinone larch pulp(AS-AQ)is used as a substitute for the mixed long fiber pulp of NBKP and NBSP in newsprint furnish.

研究了以半漂落叶松碱性亚硫酸盐-蒽醌法（AS-AQ）浆代替针叶木漂白硫酸盐浆（NBKP）与白松酸性亚硫酸盐浆（SP）的混合长纤维浆料配抄新闻纸的情况。

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