整步表反映的是()。 ["A.相位差 ","B.频率差 ","C.幅值差 ","D.相位差和频率差 ","E.相位差和幅值差"]
对COX-2选择性高() ["吲噪美辛","对乙酰氨基酚","美洛昔康","阿司匹林","舒林酸"]
儿童因病毒感染出现发热、头痛选用() ["吲噪美辛","对乙酰氨基酚","美洛昔康","阿司匹林","舒林酸"]
试述杂草种子原生休眠的生理影响因子?
阻断脑内α2受体() ["丙咪嗪","马普替林","苯乙肼","舍曲林","氟西汀"]
试述杂草种子诱导休眠环境因子?