Without agar, countries could not produce vaccines or the “miracle drug” penicillin, especially critical in wartime. In fact, they risked a “breakdown of [the] public health service” that would have had “far-reaching and serious results,” according to Lieutenant-General Ernest Bradfield. Extracted from marine algae and solidified into a jelly-like substrate, agar provides the surface on which scientists grow colonies of microbes for vaccine production and antibiotic testing. “The most important service that agar renders to mankind, in war or in peace, is as a bacteriological culture medium,” wrote oceanographer C.K. Tseng in a 1944 essay titled “A Seaweed Goes to War.”3
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「軍委主席負責制」是中共軍隊最高領導制度，其核心內涵是確保最高軍事指揮權和決策權高度集中於軍委主席一人（目前即習近平），實現黨對軍隊的絕對領導。這一制度於2017年10月中共十九大正式寫入黨章，上升為中共黨內必須遵守的根本政治規矩。，详情可参考heLLoword翻译官方下载
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Avoiding specific road types or toll roads.