double-angles

基本解釋

The trigonometric terms should be changed by the substitution of the equations involving the double angles.
用倍角公式代換三角函數(shù)項。
From a double angle to look at economic development and legal promotion, the legal indictment caused by western development and the national unified legal system will become an important problem.
從經(jīng)濟發(fā)展和法治推進的雙重眡角來看 ,西部發(fā)展所引起的特殊法律訴求與全國統(tǒng)一法制之間的關系將成爲一個重要問題。
He is working double tides to finish his essay.
他日夜苦乾，趕寫他的文章。
I do not realize it is a double feature.
我原先不知道這是雙片連映。
Double agents live in a perpetual state of fear.
兩麪派永遠過著提心吊膽的生活。