The ratio between the thickness of the thin line and the bold line is
A: 4
B: 2
C: 0.5
D: 0.25
A: 4
B: 2
C: 0.5
D: 0.25
D
举一反三
- the ratio between the thickness of the bold line and the thin line is .
- The basic line thickness of the drawing refers to the thickness for the ( ) line A: thin B: semi-bold C: bold D: middle
- A line has no thickness, only length anddirection.
- which of the following requirements for extension line is correct? A: it should be draw by bold solid line B: about 2 mm from the contour line C: a bout 2 mm beyond the dimension line D: Other lines in the drawing should not be used as the extension line. E: about 2-3mm in length
- The line width (thickness) of the cutting symbol should be ( ) A: 0.7b B: 1.0b C: 1.4b D: 2.0b
内容
- 0
In ___________, every line of the letter begins at the left margin, with a space of one line between paragraphs.
- 1
直线命令的快捷键是（ ）（1）Line （2）Li （3）L （4）Lin A: （1）Line B: （2）Li C: （3）L D: （4）Lin
- 2
___ shows Line 3; ___ shows Line 2; ____ shows Line 1.
- 3
给定下面的代码片段： 哪些行会导致错误？ （） A: line 1 B: line 2 C: line 5 D: line 8
- 4
4、下列代码( )会出错。1) public void modify() {2) int I, j, k;3) I = 100;4) while ( I >; 0 ) {5)j = I * 2;6) System.out.println (" The value of j is " + j );7) k = k + 1;8) I--;9) }10} A: line 4 B: line 6 C: line 7 D: line 8