The main water factors of fishpond water in lakeshore and the impact of fish yield were analyzed.

分析了三角帆蚌对水体的主要水质因子变化及鱼产量的影响。

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These symbols would be displayed on occasions when the spirits are being called upon to increase the yield of corn, or fish, or to heal someone.

这些象征会在重大活动中表演，借由精神力量来增加谷物或鱼的产量，或是治疗某人。

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Any of various usually woody vines of the genus derris of tropical Asia whose roots yield the insecticide rotenone; several are sources of native fish and arrow poisons.

热带亚洲鱼藤属的任何一种木质藤本植物，其根产出一种属于杀虫物质的鱼藤酮；该属有几种植物当地用作鱼毒和箭毒的原料。

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The Mekong and its tributaries yield more fish than any other river system.

ECONOMIST: The Mekong river

Like the other forms of industrial fishing, longlines, some of which submerge thousands of hooks in the water, yield immense quantities of bycatch, or unwanted fish, most of which is severely injured or dead.

NEWYORKER: Neptune��s Navy