膜后出水适合用哈希哪一款在线浊度仪()
A. )1720E
B. )ultraturb seawater
C. )tu5300/5400
D. )PCX2200
UF5000出现哪些报警,需要先执行仪器清洗后,再进行标本复测()
A. Background Error
BACT High、RBC High、WBC High
Carryover High
DEBRIS High
E. Sampling Error
跨界类型大概可以分为有几种()
A. 2
B. 3
下面哪个命令能从log文件中取出关键字(error或warn的行)()
A. grep error log | grep warn
B. grep -E "error|warn" log
C. at log |grep -v "error|warn"
D. cat log | grep -ierror | grep log