單項(xiàng)選擇題
A.±1.0 B.±3.0 C.±5.0 D.±10.0
A.2 B.3 C.4 D.5
A.2B.3C.4D.5
A.特一級 B.-級 C.二級 D.三級
A.累計(jì)值為40~50mm,變化速率為10~15mm/d B.累計(jì)值為50~70mm,變化速率為10~15mm/d C.累計(jì)值為40~50mm,變化速率為4~6mm/d D.累計(jì)值為50~70mm,變化速率為4~6mm/d
A.1次/1d B.1次/2d C.2次/1d D.1次/3d
A.5B.10C.20D.30
A.0.1% B.0.2% C.0.5% D.1.0%
A.0.1 B.0.5 C.1.0 D.2.0
A.0.10 B.0.15 C.0.20 D.0.25