甾体化合物的生产工艺路线包招() ["天然提取","化学合成","微生物转化","以上都是"]
企业实行以地理为中心的导向,产品战略强调适应市场需求和扩大市场需求,并以创新产品来创造市场需求的阶段是() ["出口营销阶段","国际市场营销阶段","多国营销阶段","全球营销阶段"]
“厂”、“卫”是明代的() ["特殊审判机关","宗教管理机关","立法机关","行政机关"]
四环素发酵培养工艺中,氨基态氨浓度应为() ["100-200mg\/L","100-200","100-200kg\/L","100-200g\/L"]
茶叶在贮藏前自身的最佳含水量应在() ["0%~2%","3%~5%","6%~8%","9%~11%"]
光吸收的基本定律