非常小的细胞也许能在清澈的溶液中生长，但是，不会产生足以使溶液变混的密度。

In a clear solution very tiny cells might grow but not create the density sufficient to make the solution cloudy.

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方法：采用配制不同条件海水加富培养液培养裸甲藻，计算藻细胞密度来考察裸甲藻的生长情况。

Methods: Gymnodinium was cultivated in rich sea water and the growing conditions were studied by cells density.

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目的探讨小细胞肺癌(SCLC)的CT征象和血管内皮生长因子(VEGF)、微血管密度(MVD)的相关性。

Objective To discuss the correlation of ct appearances and the angiogenesis (VEGF, MVD) in small cell lung cancer (SCLC).

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