您要查找的是不是：
- 两次Sturm变换 twice-Sturm transformation
- 两个 two
- 我每天刷牙两次。 I brush my teeth twice a day.
- 连续两次旋转变换性质的应用 Application of Properties of Transformation by Two Rotations Continuous
- 他每周来上两次班。 He comes to work twice a week.
- 她不再去了,但过去她每周去两次。 She doesn't go any more, but she used to go twice a week.
- 有两次战争是我祖父所记得的。 There have been two wars within the memory of my grandfather.
- 每周两次 twice a week
- 敌机一周内对此城轰炸过两次。 The enemy planes bombed the city twice in a week.
- 他今天上午吐了两次。 He was sick twice this morning.
- 昨天消防队闻警出动两次。 The fire brigade was called out twice yesterday.
- 每天刷牙两次。 Brush your teeth two times a day.
- 联合国大会每年开两次。 The General Assembly is held twice a year.
- 他因盗窃被捕过两次。 He fell twice for theft.
- 一种基于两次Radon变换检测棋盘方格点的新算法 A New Algorithm for Chessboard Grid Corners Detection Based on Two Successive Radon Transform
- 挤奶女工一天两次为奶牛挤奶。 The milkmaid milks the cows twice a day.
- 那农夫一天挤两次母牛的奶。 The farmer milks the cows twice a day.
- 他两次跑垒得分。 He drove in two runs.
- 一次老，两次小。 Once a man and twice a child.
- 小溪得过两次。 The creek has to be crossed twice.
