Chemical fertilizer is hurtless. The problem of the fertilization comes from unreasonable use.
化肥本身是无害的，有害的是对化肥的不合理施用。
Dynamic electrocardiogram (Holter) had been applied in clinic extensively with the properties of simple, convenient and hurtless after its appearance.
动态心电图自投入使用以来，就以其简单、方便、无创的特点在临床中得到广泛的应用。
Ct scan is the principal method in diagnoses of dissecting aneurysm of aorta. The examination which is very accurate, quick and hurtless has importants...
CT扫描是诊断主动脉夹层动脉瘤首选的影像学方法，具有准确、快速、无创伤的特点，对该病的诊断及治疗具有重要意义。
This system realizes the remote hurtless monitoring of community fetal electrocardiogram. Community medical staff can directly monitor fetal electrocardiogram in time.
该系统实现了社区内胎儿心电白勺远程无创监护，社区医疗人员可直观地实时监测胎儿白勺心电。
This system realizes the remote hurtless monitoring of community fetal electrocardiogram. Community medical staff can directly monitor fetal electrocardiogram in time.
该系统实现了社区内胎儿心电白勺远程无创监护，社区医疗人员可直观地实时监测胎儿白勺心电。
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