...动安全方面，日产其实并不落后于德系的竞争对手，早在3年前就已经推出了智能车距控制系统DCAS（Distance Control Assist System），与奔驰的Pre-safe和奥迪的Pre-sense一样，能够自动控制节气门开度和制动力度，保持与前车的距离，并且在极端情况下能够提供最大...
Methods. DCAs were used in 27 patients undergoing plated ACDF at 40 levels.
方法：在27例病人，40个节段的钢板固定前路颈椎间盘切除融合术中使用DCAs。
2
Dcas is well worth a look; you might find it to be an ideal way to work on problems in your field.
Dcas非常值得一试；您可能会发现它是处理您所在领域问题的理想方法。
3
There are many ways of representing the objects of mathematics in programs, and Martin Johansen's Dcas system demonstrates just how different these methods can be.