background loss

基本解释

The background is a loss of public confidence in the commitment and competence of government to promote food safety.
这里的背景是，公众对于政府保障食品安全的承诺与能力丧失了信心。
Background— Rapid loss of collateral support has been reported after percutaneous coronary intervention (PCI), leaving the myocardium susceptible to subsequent infarction.
据报道，冠状动脉侧枝循环在经皮冠状动脉介入治疗（PCI）术后即刻消失，使心肌易于遭受以后的梗死。
This approach is highly efficient and accurate for the simulation of various complex structure EDFA′s with arbitrary setup of modeling parameters. Fiber background loss or excited st…
在精确测量掺铒光纤参数的基础上将模拟和实验结果作了对比分析并得到合理的一致。