1。据Politics报道，欧盟已就一项新的防御机制达成一致，允许对采用经济勒索或惩罚性贸易措施的国家进行报复。
2。华盛顿，3 月 28 日路透社报道，白宫周二表示，美国已告之俄罗斯，将停止交换有关其核力量的一些数据，称这是对俄罗斯暂停参与新 START 战略的回应。
3。据Newsweek报道，一位前乌克兰国防部长表示，俄罗斯军方及其雇佣军同僚对他们迄今未能夺取乌克兰城市巴赫穆特感到“恐慌”，该城市数月来一直处于莫斯科耗资巨大的东部推进的中心。
4。据Newsweek报道，一名印度高级军事官员周一表示，印度军队已准备好应对该国与中国漫长而有争议的边界上的“任何突发事件”，同时他概述了中国军队在另一边的稳步集结。
5。据Newsweek 报道，美国国防部长劳埃德·奥斯汀说，乌克兰“很有可能”在春季发动反攻中取得成功。
6。据Newsweek报道，周二，部署在东北亚的美国海军航空母舰指挥官表示，美国军队不会被中国关于可能发生冲突的警告吓倒。
7。据Newsweek报道，乌克兰前将军维克多·穆任科警告说，在入侵乌克兰的行动停滞数月之后，俄罗斯军队可能会在夏季发动新的攻势。
8。据Newsweek报道，来自私人军事公司瓦格纳的部队可能已经占领了巴赫穆特北部的工业园区，他们继续在这座经过数月激烈争夺的城市中取得进展。
9。路透 3 月 29 日报道，据美联社周三报道，乌克兰总统泽伦斯基已向中国国家主席习近平发出访问邀请。
10。据CNBC报道，沙特阿拉伯内阁批准了加入中国主导的安全集团的决定，加强了利雅得与东部的关系，进一步背离了美国的利益。
11。美国海军季风号和支奴干号在周二的退役仪式上正式向菲律宾海军移交，这为菲律宾的海上能力带来了急需的提升。
12。据路透社报道，全球最大的石油公司沙特阿美公司已与中国签署了一项价值 122 亿美元的协议，以建设一座大型炼油厂和石化综合设施。 沙特阿美与中国政府之间的协议标志着能源领域的一个重要里程碑，可能对全球货币市场产生广泛影响，可能影响美元(USD) 并提振比特币 (BTC) 的价值。
13。据The Independent报道，印度陆军参谋长马诺吉潘德称，印中边境紧张局势可能会演变成更广泛的冲突。
14。华盛顿，3 月 29 日路透社报道，美国财政部长珍妮特耶伦周三表示，美国正在努力对抗中国在国际机构和向发展中国家提供贷款方面的影响力。
15。北京美联社报道，中国威胁要对台湾总统和美国众议院议长在即将到来的洛杉矶之行期间计划举行的会晤，采取“坚决的反制措施”。
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Understanding COSC Accreditation and Its Importance in Horology
COSC Accreditation and its Stringent Criteria
Controle Officiel Suisse des Chronometres, or the Controle Officiel Suisse des Chronometres, is the authorized Swiss testing agency that certifies the precision and precision of timepieces. COSC certification is a sign of quality craftsmanship and dependability in timekeeping. Not all watch brands follow COSC certification, such as Hublot, which instead follows to its own strict criteria with mechanisms like the UNICO, achieving equivalent accuracy.
The Art of Precision Chronometry
The central system of a mechanical timepiece involves the spring, which delivers energy as it loosens. This mechanism, however, can be vulnerable to environmental elements that may affect its accuracy. COSC-certified movements undergo demanding testing—over fifteen days in various conditions (five positions, three temperatures)—to ensure their resilience and reliability. The tests measure:
Average daily rate accuracy between -4 and +6 secs.
Mean variation, highest variation rates, and impacts of thermal changes.
Why COSC Validation Is Important
For timepiece fans and collectors, a COSC-validated timepiece isn’t just a item of tech but a proof to lasting excellence and accuracy. It signifies a watch that:
Presents outstanding dependability and accuracy.
Provides assurance of superiority across the complete design of the watch.
Is likely to maintain its value more efficiently, making it a sound choice.
Well-known Chronometer Manufacturers
Several famous brands prioritize COSC accreditation for their timepieces, including Rolex, Omega, Breitling, and Longines, among others. Longines, for instance, offers collections like the Archive and Soul, which highlight COSC-certified mechanisms equipped with cutting-edge materials like silicone equilibrium springs to improve resilience and performance.
Historic Context and the Evolution of Chronometers
The concept of the chronometer dates back to the need for accurate timekeeping for navigation at sea, highlighted by John Harrison’s work in the 18th cent. Since the official establishment of COSC in 1973, the validation has become a standard for judging the accuracy of high-end watches, continuing a tradition of superiority in horology.
Conclusion
Owning a COSC-certified timepiece is more than an aesthetic choice; it’s a dedication to quality and accuracy. For those valuing precision above all, the COSC certification offers peacefulness of mind, guaranteeing that each certified timepiece will operate dependably under various conditions. Whether for personal contentment or as an investment decision, COSC-validated watches stand out in the world of horology, maintaining on a legacy of precise chronometry.