                          3                                                                    60                         60        60     1027                                                          1704～1788        60                           5          360   12   24         12   60                    45                               1/67  1/707   〖SX  〗1〖〗67×707〖SX  〗                  4    〖SX  〗1〖〗67×707〖SX  〗     〖SX  〗1〖〗67×707〖SX  〗 ≈9×10 -5                       2            24      15    