它的主要功能是通过对第一次引射的调节来控制第二次引射。
It's main function is to regulate the primary injection to control the secondary one.
但他的团队确实发现嗜碱性细胞击退了一种寄生虫的二次攻击，证实了这种细胞辅助免疫记忆的功能。
His team did, however, find that basophils help rebuff a parasite's second attack, confirming that the cells aid immune memory.
目的：探讨二次开胸手术对呼吸功能的影响。
Objective: to probe respiratory function variation after secondary thoracotomy operation.
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