"Smooth vergence"指的是
A、用遮盖试验+阶梯三棱镜法测量隐斜度
B、用vonGraefe法测量隐斜度
C、用Risley棱镜测量聚散度
D、用阶梯三棱镜测量聚散度
E、以上都不是
请帮忙给出正确答案和分析,谢谢!
I know you’ve got a smooth tongue , so don’t talk
【C17】A.mildB.gracefulC.stableD.smooth
A. smooth B. clumsy C. slowD. small
The manchineel tree has smooth pale brown bark an
53._________A. treatB. cutC. findD. smooth