A difficulty here, however, is that the TransformStreamDefaultController does not have a ready promise mechanism like Writers do; so the TransformStream implementation would need to implement a polling mechanism to periodically check when controller.desiredSize becomes positive again.
记者今天（28日）了解到， 市场监管总局（国家标准委）批准发布《人体生物监测质量保证规范》国家标准。该标准由国家疾病预防控制局组织起草，自3月1日起正式实施。
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“콜라겐, 피부 탄력 개선 효과 있다…단, 주름은 못 막아”[건강팩트체크]
事实上，争夺银发人群也早已是大厂的明牌。