您要查找的是不是：
- 有效X光源effective X ray source
- X光源X ray source
- 微型X光源Mini X-ray source
- 有效X线束useful beam
- X光源尺寸Spot size of X-ray
- 仍然有效hold good
- 这一法律仍然有效。This law is still in vigor.
- 有效沟通effective communication
- 我们用x表示一个未知数。We use x as the symbol for an unknown quantity.
- 他指出禁令仍然有效。He pointed out that the ban still stands.
- 备用光源standby power source
- 原来那就是你们所谓的有效药物。So that is your effective remedy.
- 昨天我的牙进行了X光检查。I had an X-ray examination of my teeth yesterday.
- 标准光源standard source
- 当日有效This Date Only
- 外科大夫用X射线照射瘤。The surgeons irradiated the tumor.
- 照明光源lighting source
- 契约仍然有效。The contract still holds.
- 医生细查了X光照片。The doctor examined the X-rays.
- ＣＩＥ标准光源CIE standard sources
