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1. |
The analytical solution of schaffernak and Van Iterson gave result only for slopes, having__________ |
A. | α>30° |
B. | α<30° |
C. | α>60° |
D. | α<60° |
Answer» C. ‚âà√≠¬¨¬±>60¬¨¬®‚Äö√†√ª | |