if you buy a 100-square-meter house, the area that the developer finally delivered is 5 square meters less, then the correct one in the error description of the actual area is ( ). A: the absolute error is 0.05 B: The relative error is 0.05 C: the absolute error is -5 square meters D: The relative error is -0.05

ED50 means A: Median effective concentration B: Median toxic dose C: Median lethal dose D: Median effective dose

Measurable weights of NaCl are 1.52g, and their real weights are 1.54g. Could you find the absolute error of measurable results? () A: 0.02 B: 0.2 C: -0.02 D: -0.2

下列是全局变量的是（）。 A: @error B: @@error C: !error D: error（）

Measurable<br/>weights of NaCl are 1.52 g, and their real weights are 1.54 g. Could<br/>you find the absolute error of measurable results?<br/>( ) A: 0.02 g B: -0.02 g C: 0.2 g D: -0.2 g

Measurable<br/>weights of NaCl are 1.52 g, and their real weights are 1.54 g. Could<br/>you find the absolute error of measurable results? ( ) A: 0.02 g B: -0.02 g C: 0.2 g D: -0.<br/>2 g

The following is not the geometric error of machining process system (). A: machining principle error B: geometric error of machine tool C: adjustment error D: tool manufacturing error

下列不属于VBA提供的On Error语句形式为()。 A: On Error Goto标号 B: On Error Then 标号 C: On Error Resume Next D: On Error Goto 0

The following is the machining principle error () . A: approximate profile error of forming tool B: spindle revolving error of machine tool spindle C: guide error of machine tool D: fixture error

x->c(1,2,3,4,5)，则median(x)=3。