产品特点中文名称：二分器 英文名称：riffle 定义1：由一列上宽下窄、宽度相等、下端开****替向两边并行排列的格槽所组成的用于煤样缩分的工具。所属学科： 电力（一级学科） ;燃料（二级学科） 定义2：兼有
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样品通过二分器三次混合后，放入给料容器中。
Sample shall be mixed 3 times through riffle, and then put into the feeding container.
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.
弗瑞斯特研究公司的詹姆士•麦奎维在调查中发现，仅有二分之一的iPad用户阅读电子书，其中三分之二已经或计划专门为电子书购买阅读器。
James McQuivey of Forrester Research found in a survey that only half of iPad owners read e-books-and two-thirds of them own or plan to buy an e-reader especially for the purpose.
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