水生植物

Methods:To select the nature habitant of mosquito larva density,to spray the pesticides to the water.

选择野外具有一定蚊幼虫和蛹密度的滋生场所，采用液体喷雾方法，水面喷雾施药，观察蚊幼虫和蛹的下降率；同时观察水生植物和鱼类的死亡等影响因素。

If you decide to have water plants in your pond they will not grow properly in areas that receive too much s hade.

假如你决定要水生植物池，他们不会在你成长的领域得到妥善太多收盘哈。

Aquatic perennial of North America and Ireland and Hebrides having ''.

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''。

The sea was roaring hollowly in the distance , the fields were bare and sere , scarfed with golden rod , the brook valley below Green Gables overflowed with asters of ethereal purple , and the Lake of Shining Waters was blue-blue-blue not the changeful blue of spring , nor the pale azure of summer , but a clear , steadfast , serene blue , as if the water were past all moods and tenses of emotion and had settled down to a tranquility unbroken by fickle dreams .

大海在远处咆哮空洞，田野裸露和水生植物，与戈尔登勒德斜切，下面格林盖布尔布鲁克瓦利洋溢着空灵紫菀的紫色，以及夏宁沃特斯湖是蓝色的，蓝色的蓝色；不是多变蓝春，夏季也不是蔚蓝的苍白，而是一个明确的，坚定，平静的蓝色，因为如果水是过去的一切情绪和情感的时态，并定居下来到安宁由善变梦想从未间断。

As can be seen from the panoramic view of the central decorative band on the current jar, the design of four fish swimming amongst hehua lotus and other aquatic plants, including shui bie water poppy, qing ping three-petalled duck weed, ping or tianzi cao water clover, kucao eel grass and jin yu zao hornwort; is beautifully constructed to achieve a richly-textured, perfectly balanced composition, full of movement, depicting the fish swimming convincingly through the water.

正如从当前这件瓷罐中央主要纹饰全景图中所见到的，四条鱼在荷花及其他水生植物间游荡的设计，包括水罂粟、三瓣青萍、萍或天字草、枯草和金鱼藻；精美的构造出一个富有层次感、结构完美和谐、动感十足的描绘鱼儿在水中穿梭游荡的真实画片。

Hyacinth is one of hydrophytes that studied earliest and most completely in water ecological restoration.

水葫芦是水生态修复中研究最早和最深入的水生植物之一。

As one of the hydrophyte, phytoplankton has a broad application.

同时，在河道水流有一定流速存在的水力特性条件下，水生植物是否可以达到预想的净化效果，这是我们急需得知的问题。

The decomposition of hydrophyte residua led to high concentration of COD in winter and the start of spring.

由于水生植物死亡分解，COD在冬季和初春浓度高，有很大的污染性。

Along with the extended construction of ecological watercourse, varies of hydrophyte are used to purify polluted water.

随着生态型河道的推广建设，各类水生植物被用于河道水体净化，然而植被的种植改变了原先河道的水体结构，影响了水体的水流特性。

Urban wetland park ; Ecosystem ; Environment protection ; Hydrophyte ; Countermeasure

城市湿地公园；生态系统；环境保护；水生植物；对策

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失