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Von Frisch waited for a marked bee to feed .

冯弗里士等候着带有标记的蜜蜂来吃。

Its ergonomic enclosure is lightweight and wellbalanced to ensure optimal operator comfortduring scan intensive operations.

其人体工学外壳重量轻且平衡性好，确保在高强度扫描操作中操作员可达到最佳的舒适度。