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【多选题】
在铣削一个xy平面上的圆弧时,圆弧起点在(30,0),终点在(-30,0),半径为50,圆弧起点到终点的旋转方向为顺时针,则铣削圆弧的指令为( )。A.
G17 G90 G02 X-30.0 Y0.0 R50.0 F50
B.
G17 G90 G03 X-30.0 Y0.0 R-50.0 F50
C.
G17 G90 G02 X30.0 Y0.0 R-50.0 F50
D.
G17 G90 G02 X30.0 Y0.0 R50.0 F50
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【多选题】Which three are considered match criteria in a policy?（）
A.
prefix-list
B.
protocol ospf
C.
next-term
D.
AS path
E.
prefix-term
【简答题】How to judge an interpreter's performance? What are the three major criteria? What are the specific requirements under these three criteria?
【简答题】Tony became a millionaire.
【简答题】Tony became an apprentice.
【单选题】Tony became disdainful of his friends when he succeeded in the attempt.
A.
a. scornful
B.
b. proud
C.
c. thankful
D.
d. grateful
【简答题】The three criteria to define an academic are____,____and____.
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