Agar is so critical that since WWII, scientists have tried to find alternatives in the event of a supply chain breakdown, especially as recent shortages have caused similar alarm. But while other colloid jellies have emerged, agar remains integral to laboratory protocols because no alternatives can yet compete on performance, cost, and ease of use.
“初めて・最・変化・危機” 転換点迎えたオリンピック
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“脱贫的兜底必须是固若金汤的”
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