A curved copper antenna traces the inner perimeter of the housing, enabling low-power Bluetooth communication through both the enclosure and the user’s skin. Its spiral geometry simultaneously maximizes transmission efficiency and minimizes size, a key constraint for devices that have to ensure reliable data transfer without upping power draw.
Виктория Кондратьева (Редактор отдела «Мир»)
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（1）油价走势及相关品种影响：关于周末地缘政治扰动对油价的影响，经地缘专家判断冲突烈度将逐步减弱，影响会逐步收敛，但短期仍需观望。预计未来一周布油在80美元上下震荡，随后将逐步回落。由于地缘事件后即将进入4月下旬的旺季，因此油价即便回落空间也不会很大。OPEC已决定4月份增产20万桶/天，这符合预期，底层逻辑是OPEC不希望油价上涨过程中美国抢占市场。此外，伊朗局势主要影响油、LPG、甲醇、尿素等品种，油价上涨会推高化工产品的成本曲线，但利差难以扩大，情绪层面化工板块普遍会有上涨表现。
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Евгений Шульгин
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