Densityindicator: Display gas density, time and keyboard set value, etc.
浓度指示器：显示气体浓度、显示时间、显示键盘设定值等。
2
Despite the medical community's heavy reliance on bone density scans, there is growing evidence that bone density is not the most reliable indicator of bone health.
尽管医学界很依赖于骨密度扫描，但是种种迹象表明，通过骨密度来反映骨骼是否健康并不见得可靠。
3
Define horn fruit layers of thickness and horn fruit layers of density rape important colony quality index; it is the comprehensive economic indicator too.