ประโยคภาษาจีน : 中文句子 |
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gè 各 liú yù 流域 fù yíng yǎng huà 富营养化 zhǔ yào 主要 tè zhēng 特征 shì 是 fēng shuǐ qī 丰水期 bǐ 比 kū shuǐ qī 枯水期 yán zhòng 严重 cóng 从 shàng yóu 上游 dào 到 xià yóu 下游 zhú jiàn 逐渐 jiā zhòng 加重 |
The main characteristic of trophic level of each watershed is: The degree of eutrophication is more serious in flood season than in dry reason, in upstream than in downstream along the watershed. |