详细解释:【计】 DOS内部命令:将常驻程序装入上层内存区
【化】 促黄体素
英语解释：
名词 lh:
a gonadotropic hormone that is secreted by the anterior pituitary; stimulates ovulation in female mammals and stimulates androgen release in male mammals同义词：luteinizing hormone, interstitial cell-stimulating hormone, ICSH