水生植物

Any of several submersed aquatic plants of the genus vallisneria .

苦草任一种大叶藻属的水下水生植物

Using this varve dating results, we calibrate the other dating methods (radiocarbon dating and U-series dating) which were carried out in Lake Sugan. It was found that in the Little Ice Age with clastic varve type, radiocarbon dating has 2630 years radiocarbon reservoir effect, while beyond the LIA, the radiocarbon reservoir changed as the time passed.

通过已经得到验证的年纹层年龄-深度序列，对苏干湖其它测年手段~(14C测年和铀系测年进行验证，发现在碎屑类纹层沉积阶段即小冰期阶段，水生植物残体的~(14)C测年存在2630年碳库效应，小冰期以外时段碳库效应责随时间变化。

Now water plant designs provide for zero discharge by recycling of wastewaters, reclaiming chemicals, and ultimate disposal of the useless or unmarketable residue remaining.

现在水生植物设计提供零的放电通过回收污水，索还化学制品，并且无用或不会有销路的残滓的最终处理余留。

In year 2003, I found a species of water plant in the jungle stream of Sarawak.

在2003年，我发现了在沙捞越密林小河中的水生植物的种类。

Important changes had occurred;great blocks of stone lay on the beach, which was also covered with a thickcarpet of sea-weed, algae, and wrack.

这里发了巨大的变化：海滩上添了很多大石块。上面覆盖着一层厚厚的水草、海藻和其他漂上岸来的水生植物。

Acetosalicylic acid could stabilize the structure and function of the membrane and accordingly promote the growth of aquatic plants.

而乙酰水杨酸能在一定程度上稳定膜的结构和功能，对水生植物的生长有一定的促进作用。

The content of TP was, 9.11-42.79mg and 10.81-28.71 mg in shoots and in roots, respectively. The highest content of TN and TP was in Hygrophila difformis and then Tonina F1uviatilis, the lowest in Acorus calamus.

结果表明，3种水生植物地上部和地下部氮累积量分别在68.43-279.31mg和23.44~170.13mg之间；地上部和地下部磷累积量分别在9.11~42.79mg和10.81~28.71mg之间。

The results show:βdiversity is high in Mudan River,lower in Balan River and lowest in Weiken River.

在3个样条中均以河流－平原间的样地中水生植物多样性为高。

Based on the field studies in Yilan county in the Northwestern Sanjiang Plain,the diversity of plants in some waters of rivers Mudan,Weiken and Balan were measured.

根据依兰县地貌类型多样的特点，对牡丹江、倭肯河和巴兰河3个样条附属水域中水生植物多样性进行研究，结果表明：β－多样性在牡丹江为高，倭肯河最低；以不同阶元比较，种级β－多样性高于科级与属级。

Aquatic perennial of North America and Ireland and Hebrides having translucent green leaves in a basal spiral and dense buttonlike racemes of minute white flowers.

生于北美、爱尔兰和赫布里底群岛的一种多年生水生植物，具有半透明的绿色叶子，。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。