There are many rivers in Scotland, Iceland and Norway where streamer-like flies such as the Collie Dog and the Moonray Shadow are fished, sometimes with a hitch in the line to create a riffle.
苏格兰、冰岛和挪威有许多河流，这里使用Collie Dog和Moonray Shadow等长条形的钓饵，有时会在鱼线上打一个结，制造涟漪。
Sample shall be mixed 3 times through riffle, and then put into the feeding container.
样品通过二分器三次混合后，放入给料容器中。
Riffle division method: a riffle is a kind of non-mechanical sample divider, which is usually fed manually. The sample is divided into 2 equal parts by riffle, with one retained and one rejected.
③二分器缩分法：二分器系非机械式样品缩分器，通常用手工给料，样品通过二分器被分成二等份，一份保留，另一份弃去。
Riffle division method: a riffle is a kind of non-mechanical sample divider, which is usually fed manually. The sample is divided into 2 equal parts by riffle, with one retained and one rejected.
③二分器缩分法：二分器系非机械式样品缩分器，通常用手工给料，样品通过二分器被分成二等份，一份保留，另一份弃去。
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