With the ballastless track technology extensive used , the problem of the track on solid bed damage and rectification is paid more and more attention now 摘要随着无碴轨道技术的广泛运用，整体道床产生的病害及维修问题也越来越引起重视。
Looking ahead , we shall keep track on the dynamic market developments and do our best to maintain an open , transparent and business - friendly environment 展望未来，我们将紧贴蓬勃的市场发展，竭力维持开放、具透明度及方便营商的环境。
It would not be easy to keep track on the exact number of staff benefited from the technology transferred during the whole acp period which spanned over almost 10 years （二）机场核心计划的施工期几近十年，要追查技术转移曾令多少名员工受惠并不容易。
Information technology - data interchange on 90mm flexible disk cartridges using modified frequency modulation recording at 31 831 ftprad on 80 tracks on each side - iso type 303 信息技术.数据交换用90mm改进调制记录的31831ftprad每面80磁道的盒式软盘. iso类型303
Information technology - data interchange on 90mm flexible disk cartridges using modified frequency modulation recording at 31 831 ftprad on 80 tracks on each side - gb type 303 信息技术数据交换用90mm改进调频制记录的位密度为31831磁通翻转弧度每面80磁道的软磁盘gb 303型
Svm （ smart volume management ? ） ， adjusts the playback volume of all the tracks on your playlist so they will remain at the same level without you reaching for the volume control between songs 智能音量管理：自动调整所有曲目的音量使之保持同一水平，无论它们录制时音量大小。
If the three beams are on track , then the two subsidiary photodetectors have equal amounts of light and will be quite bright because they are only tracking on land 如果三束激光处于轨道的正确位置，因为两个副光束只射到轨道中间的“台”上，因而两个附加探测器上将得到等量的光。
