季春

The seasonal order of phytoplankton species number from high to low was summer, spring, autumn, winter, while the spatial order was north, west, southwest, middle of the lake, south and east.

2浮游植物总种类数的季节变化特点为夏季春季秋季冬季，空间分布特征为北部西部西南部湖心区域南部东部。

Liu Jichun that the translation of the principles of foreign instruments: fixed format, style stately, graceful wording, wording rigorous.

刘季春认为涉外文书的翻译原则为：格式固定，语体庄重，措辞婉约，行文严谨。

The seasonal average concentrations of culturable microbes were highest in the fall, higher in the spring and lowest in the summer of 2009 both at Yushan and Laoshan sampling sites.

鱼山和崂山采样点可培养微生物浓度的季节变化特征具有一致性，都是秋季春季2009年夏季。

At last the spring came after a long severe winter.

经过漫长而又寒冷的冬季春天最终来临.