当观测记录不完全正确或有疑误,但基本可用时,该记录应做()处理。
A.加“()”
B.正常记录
C.记“-”
D.加“*”
参考答案:B
两回波比为5时,它们相差14dB。
Which of the following is NOT a method for progress reporting for work packages ?()
A.Percent complet
B.Fast trackin
C.20/80 rul
D.50/50 rul