PFS, rather than overall survival (OS), was accepted by regulatory authorities in the United States and Europe as the endpoint for approval of bevacizumab for the renal cell carcinoma indication.
欧美权威机构接受PFS作为观察终点，而非总生存期（OS），肾细胞癌作为贝伐单抗的适应症范围。
The voltage of the individual cell is determined by calculating the present value, based on a series of measured cell differences, from an accepted reference.
单个电池电压的当前值是与一个已知的参考标准进行比对，从一系列测得的电压差中计算出来的。
The discovery of limbal stem cell is one of the most important advances in ophthalmologic field. It is now accepted that limbal stem cell is the ultimate source of corneal epithelium regeneration.
角膜缘干细胞的发现是十几年来眼科最重要的进展之一，现已公认，角膜缘干细胞是角膜上皮细胞再生的最终源泉。
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