定语从句：关系副词的用法
where的先行词也可以是一些类似于地点的抽象名词，例如，case，situation，degree，point，job，career，family等。
《科学》（20200703出版）一周论文导读
The direct-current Josephson effect provides a phase-sensitive tool for investigating superfluid order parameters. We report on the observation of dc Josephson supercurrents in strongly interacting fermionic superfluids across a tunneling barrier in the absence of any applied potential difference. For sufficiently strong barriers， we observed a sinusoidal current-phase relation， in agreement with Josephson’s seminal prediction. We mapped out the zero-resistance state and its breakdown as a function of junction parameters， extracting the Josephson critical current behavior. By comparing our results with an analytic model， we determined the pair condensate fraction throughout the Bardeen-Cooper-Schrieffer–Bose-Einstein condensation crossover. Our work suggests that coherent Josephson transport may be used to pin down superfluid order parameters in diverse atomic systems， even in the presence of strong correlations.
现代科技以古希腊文明为基础：原子论和载人太空探索
大家都知道：原子是化学变化中最小的粒子，也是元素保持其化学性质的最小单位。 而用原子的概念认识世界源自古印度和古希腊。 依据亚里士多德引述的原子论观点，原子是不可构造的和永恒不变的，并且形状和大小有无穷的变化。
划重点！带你学《液体化学品船安全指南》(六)名词解释
The mass of the vapour compared with the mass of an equal volume of air， both at standard conditions of temperature and pressure. Thus vapour density of 2.9 means that the vapour is 2.9 times heavier than an equal volume of air under the same physical conditions.
废旧CT片能高价回收？紧急提醒
你家里是否还留存着过往就医时的CT胶片？如果有人高价回收，你会动心吗？ 近期，废弃医疗胶片突然成了“抢手货”，有人开价1.5元一张回收；在二手交易平台上，这些原本记录患者骨骼、器官影像的CT胶片、X光片，更是被人批量收购。这背后究竟暗藏怎样的利益链条？
《经济学人》双语：全球低生育率对世界经济有什么影响？
即使人工智能在一些圈子里引发了高涨的乐观情绪，但人口对全球未来经济仍存在巨大的不确定性影响。In 2000 the world’s fertility rate was 2.7 births per woman， comfortably above the “replacement rate” of 2.1， at which a population is stable. Today it is 2.3 and falling.
如果每天使用Mac超5小时，这10个“保命养生”神器建议焊死在电脑
拯救打工人！10 款 Mac 顶级“神仙”App，让效率直接起飞！你是不是也经常一坐到 MacBook 前就是 8 小时，忙到忘了抬头、忘了喝水，甚至忘了太阳长什么样？别再压榨你的 Mac 了，你可能只发挥了它 30% 的潜力。