Stereo type qualifying symbol for transducers, recorders, and reproducers.

用于传感器、录音机和复制机的立体声型限定符号。

Producers, retailers and reproducers in reproduction closed-loop supply chain are used as examples to distribute profits. This method is proved effective in this paper.

并以某再制造闭环供应链中的制造商、零售商、再制造商为例进行利润分配，证明了该方法的有效性。

The researchers say that the selective catch of older, larger fish, which can be stronger reproducers and more adept at surviving environmental change, is probably the cause.

研究人员说，人们捕鱼时，愿意捕捉那些更成熟的、更大的鱼，而这正是鱼类容易灭绝的原因——因为这样的鱼都是更适合生育的鱼，也更容易适应环境的改变。