意為：
在科學證書的基礎上；基於科學證據
based on
英[be?st ?n] 美[best ɑn]
[詞典] [法] 以…為依據;
[例句]The selection process is based on rigorous tests of competence and experience.
選拔過程是基於對能力和經驗的嚴格測試。
scientific
英[?sa?n?t?f?k] 美[?sa?n?t?f?k]
adj. 科學的; 有系統的; 應用科學的; 精通學理的，有學問的;
[例句]Scientific research is widely claimed to be the source of the high standard of living in the US.
科學研究被普遍認為是美國高生活水準的源泉。
evidence
英[?ev?d?ns] 美[?v?d?ns]
n. 證據; 跡象; 證詞; 明顯;
vt. 表明; 使明顯; 顯示; 證實;
[例句]Ganley said he'd seen no evidence of widespread fraud
甘利說他沒有看見詐騙泛濫的證據。