例句與造句

1. it shows three different approaches to airborne gravimetry, namely scalar gravimetry, vector gravimetry and gravity gradiometry
   航空重力測量可分為航空標(biāo)量重力測量、航空矢量重力測量和航空梯度重力測量。
2. It's difficult to find gravity gradiometry in a sentence. 用gravity gradiometry造句挺難的