hellings中文什么意思
例句与用法
- In the third chapter , we obtain thenull hellings - nordtvedt metric ( nhn metric ) from the hellings - nordtvedt theory before we calculate the mass - defect by this metric
第三章首先在hellings - nortdvedt理论中导出nullhellings - nordtvedt度规( nhn度规) ,然后计算此度规下的质量亏损效应。