新装置开车时应加大缓蚀剂用量,使之成膜,成膜后剂量可适当减小。
参考答案:对
生态系统具有自我调节能力,但这种能力是有限的。 ( )
______is the use of computing resources(hardware and software)which are available in a remote location and deliverd as a service over a network(typically the Internet).
A.Virtualzation B.Internet of things C.Cloud computer D.Cloud computing