但他也提醒，白宮的追蹤數據「包含可能最終不會實現的投資承諾」。他舉例說，歐盟的貿易協議就是一例，該協議因特朗普最新的關稅威脅而被擱置。
It is difficult to know exactly when the shift from gelatine to agar occurred. As often happens for scientific breakthroughs, agar was likely adopted incrementally alongside the use of other growth media. In 1913, for example, the first diagnosis of Serratia marcescens as a human pathogen was made by growing it on agar as well as on potatoes.
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63-летняя Деми Мур вышла в свет с неожиданной стрижкой17:54
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