采集信息时既要满足当前需要,也要兼顾未来发展,这样的要求符合信息采集的()
A.可靠性原则
B.预见性原则
C.计划性原则
D.系统性原则
参考答案:C
Lynn was very strict _____ herself, so she passed the exam.[ ]
A. for
B. in
C. with
D. to
YZ-1型制动机自动制动阀紧急制动时,制动缸最高压力为450±10KPa。