Nancy was lacing her shoe up when the doorbell rang.门铃响时南希正在系鞋带。He refused to answer the doorbell.门铃响了，但他拒绝去开门。I heard the doorbell ring, and went to see who was there.我听见门铃响，就去看谁来了。'Ding-dong,' went the doorbe...
Long long ago, we knew the periodic motion of a planet.很久以前, 我们就知道行星的周期运动.Periodic checks are taken to ensure that high standards are maintained.定期检查以确保维持高水准。Some commercial laboratories use periodic nitrate tests as gui...
共线性的影响是使回归系数不可靠.The effect of colinearity is to make the regression coefficients unreliable.为了举例阐明以上的分析, 我们考虑一种线性的弹性固体.To illustrate the foregoing analysis, consider a linear elestic solid.纵坐标比例尺以分贝为单位是线性的.The ordinate s...
兴隆的买卖赚钱多.Money tends to flow to businesses that are already succeeding.在同其他那些更兴隆的公司竞争中,我们丝毫松懈不得.We can't let up on our efforts to compete with other more successful firms.任何使我生意兴隆的都是好的.Whatever prospers my business ...