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1.在(zài )运(yùn )输(shū )线(xiàn )中(zhōng )途(tú )设(shè )立(lì )的(de )转(zhuǎn )运(yùn )站(zhàn )。

2.在(zài )无(wú )线(xiàn )电(diàn )通(tōng )讯(xùn )中(zhōng )，设(shè )置(zhì )在(zài )发(fā )射(shè )点(diǎn )与(yǔ )接(jiē )收(shōu )点(diǎn )中(zhōng )间(jiān )的(de )工(gōng )作(zuò )站(zhàn )，作(zuò )用(yòng )是(shì )把(bǎ )接(jiē )收(shōu )的(de )信(xìn )号(hào )放(fàng )大(dà )后(hòu )再(zài )发(fā )射(shè )出(chū )去(qù )，增(zēng )强(qiáng )效(xiào )果(guǒ )。

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