您要查找的是不是：
- first half of QRS complex QRS综合波的前半部分(约为QRS开始后0.;06秒以内)
- Business was slow in the first half of this year. 今年上半年生意清淡。
- After the first half of the race I was leading. 跑了一半赛程后我领先了。
- Business is slow in the first half of this year. 今年上半年生意清淡。
- Prices dropped in the first half of the year. 上半年物价有所下降。
- last half of QRS complex QRS综合波后半部
- The first half of the game was pretty dull. 上半场比赛打得十分沉闷。
- Turnoveris stagnant for the first half of the year. 今年上半年营业额是停滞的。
- Business was slowin the first half of this year. 今年上半年生意清淡。
- The shipment will be made not later than the first half of April. 交货不会迟于四月上半月。
- It will come off the press in the first half of next year. 它明年上半年可以出版。
- Objective To investigate whether the configuration of QRS complex in lead aVL in inefrior wall acute myocardial infarction(AMI)could be as a standard for culprit artery. 目的 探讨下壁急性心肌梗死 (AMI)时患者的心电图aVL导联QRS波群变化能否作为罪犯血管的判定标准。
- Sale have smashed all record for the first half of the year. 销售量已突破了今年上半年的所有记录。
- There is a slow improvement in sale in the first half of the year. 今年上半年销售情况有所改善（好转）。
- We shall follow that path for the first half of this chapter. 在本章前半部分,我们将遵循这一条途径。
- Sale has smashed all records for the first half of the year. 销售量已突破了今年上半年的所有记录。
- Turnover is stagnant for the first half of the year . 今年上半年营业额是停滞的。
- The first half of the nineteenth century saw the duel die out. 19世纪上半叶，决斗现象就已消失。
- The team piled on the points in the first half of the game. 球队在上半场连连得分。
- The lighter rare-earth metals, from cerium to europium in the first half of the series, have more complex crystal structures than the heavier elements. 轻的稀土金属，从铈到铕的前一半序列比重元素具有更为复杂的晶体结构。
