direct plummet observation

网络释义

1.	正锤线观测工程测量学—... ... 05.282 小角度法 minor angle method 05.283 正锤线观测(简称“正锤法”) direct plummet observation ... www.sbsm.gov.cn
2.	正锤观测测绘... ... minor angle method 小角度法 direct plummet observation 正锤［线］观测 inverse plummet observation 倒锤［线］ … www.sinosenior.com
3.	正锤线法线锤的英... ... 正锤线法： method of right plummet observation 正锤线法： direct plummet observation 船锤线： plumb line ... www.showxiu.com