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1·Landis+Gyr, which also sells smart meters, networking systems and service products, boasts more than 8, 000 utility customers globally.

Landis+Gyr还销售智能电表、网络系统和服务产品，该公司在全球拥有超过8,000家公用事业单位客户。

2·The collecting capability intensity to quartz, fluorite and calcite is different, the relation of the collecting capability intensity is GYR>731>TAB-3.

三种辅助捕收剂对石英、萤石、方解石的捕收能力各不相同，其对三种矿物的综合捕收能力大小关系为：GYR>731>TAB-3。