一些科学家批评水产养殖。他们说，渔网和鱼笼许可证病虫害蔓延。
Some scientists have criticized aquaculture. They say the nets and cages permit fish diseases and pests to spread.
所述网口设置环形的弹性透明塑料片，防止已经进入鱼笼的鱼类逃出鱼笼。
The net port is provided with an annular elastic transparent plastic sheet to prevent fishes entering the fish pot from escaping from the fish pot.
一种太阳能鱼笼，包括笼框、笼网和网口，所述笼框采用金属线制成并可轴向压叠或伸展；
The invention provides a solar fish pot. The fish pot comprises a pot frame, a pot net and a net port, wherein the pot frame is made of metal wires and can be axially laminated or expanded;
结论：以腐鱼为诱饵的诱蝇笼诱蝇效果好于糖醋诱饵，建议在蝇密度监测时采用混合诱饵。
Conclusion: the efficacy of catching flies by fly trap with canker fish as baits was better than with brown sugar-vinegar. We suggest that mixed bait be adopted in the surveillance of fly population.
该笼具结构简单，笼具使用寿命长，可在复杂的水域捕鱼，且捕鱼多，所捕的鱼新鲜。
The utility model has the advantages of simple structure, long service life, large fishing amount and fresh caught fish; the utility model can be used for fishing in complicated water.
该笼具结构简单，笼具使用寿命长，可在复杂的水域捕鱼，且捕鱼多，所捕的鱼新鲜。
The utility model has the advantages of simple structure, long service life, large fishing amount and fresh caught fish; the utility model can be used for fishing in complicated water.
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