“向中”的英语？

“向中”的拼音为：xiàng zhōng...

球越过投手头顶,飞向中外场造成一垒打.The ball went over the pitcher's head and into center field for a single.简单算法以帧内非线性算法(四方向中值滤波方法)为例, 复杂算法以块匹配运动估计方法为例.The simple algorithm is four - direction median filtering, the complex algorith...