例句與造句

1. The phasor measurement technology based on gps is introduced briefly . and how to add these phasor measurements into state estimation is analysed from several aspects . the state estimation differences between based on phasor measurements and conventional scada are given
   簡要介紹了基于gps的相角測量技術(shù)，從幾個方面分析了如何將pmu測得的相角量測量加入到狀態(tài)估計中，并比較了加入相角量測量后的狀態(tài)估計與傳統(tǒng)狀態(tài)估計的不同。
2. It's difficult to find estimation difference in a sentence. 用estimation difference造句挺難的