OptiX2500+发生复用段保护倒换时,SCC板上可观察到下列哪些告警:()
A、PS
B、APS-INDI
C、MSP-INFO-LOSS
D、RLOS
参考答案:B
In a traditionally drawn decision tree, a circle represents ().
A.a chance to which no estimated monetary value can be assigned so that a likely pay-off can not be shown
B.a decision to which no estimated monetary value can be assigned so that a likely pay-off can not be shown
C.a chance to which an estimated monetary value may be assigned to calculate the most likely pay-off
D.a decision to which an estimated monetary value may be assigned to calculate the most likely pay-off
汽车是对环境影响较大的商品,汽车厂商支持环保事业、进行环保宣传似乎是理所应当的。环保应当是汽车企业在发展中必须认真考虑的因素,但要求汽车企业没有利润甚至亏损来做环保显然是不现实的,而且也不会持久。汽车企业在发展的同时采取新的技术措施,尽量减少对环境的污染,符合社会发展大趋势,这才是长久之策。
这段文字的核心观点是()。
A.环保与实现企业利润存在矛盾
B.发展环保事业应该注重从实际出发
C.技术革新是解决汽车影响环境问题的关键
D.汽车企业应在发展的同时充分重视环境保护