right(-50)等价于Left(310)。（）
举一反三
- 下列关于transform-origin属性说法错误的有： A: 值为top left | left top 时，等价于 0 0 B: 值为left | left center | center left时， 等价于50% 0 C: 值为right | right center | center right 时，等价于 100% 50% D: 值为bottom | bottom center | center bottom 时，等价于100% 50%
- 设方阵\( A \)和\( B \) 等价，\( A \) 的所有\( k \) 阶子式全为零，则( ) A: \( r\left( B \right) < k \) B: \( r\left( B \right) = k \) C: \( r\left( B \right) \ge k \) D: \( r\left( B \right) \le k \)
- Eat to your ______,and drink to your_______.? right, left|right, right;|left, left|left, right
- In left sideslip, the vertical tail will generate a side force and yawing moment. A: left, left B: left, right C: right, left D: right, right
- 若\({y_1}\left( x \right), {y_2}\left( x \right)\)都是\(y' + P\left( x \right)y = Q\left( x \right)\)的特解，且 \({y_1}\left( x \right), {y_2}\left( x \right)\) 线性无关，则通解可表为\(y\left( x \right) = {y_1}\left( x \right) + C\left[ { { y_1}\left( x \right) - {y_2}\left( x \right)} \right]\)。