下列选项中，哪个因素是企业发展的基础（）。 ["正确决策","团队精神","创新学习","企业文化"]
Deadfreight is the charge for the（）. ["carriage of demise cargo","cost of transshipment of over-carried cargo","difference in the amount of cargo loaded and the amount of cargo discharged","difference in the amount of cargo loaded and the amount of cargo booked，through no fault of the vessel"]
线圈中心距轨面中心为（）mm。
关于rRNA说法正确的是（） ["与多种蛋白质形成核蛋白体","属细胞内含量最少的一种RNA","是蛋白质生物合成的场所","不含有修饰碱基"]
对跨局检测，配属段应向承检段提供备品备件至少（）套。
什么是磷光现象？
