2020年翻译资格英语考试备考重点词汇：自助式视力筛查仪

编辑推荐：2020年全国翻译资格考试准考证打印时间及入口汇总

自助式视力筛查仪

self-service visual acuity detector

Chinese researchers have developed a self-service visual acuity detector and a management system for visual health.

Users view visual targets through the lens of the vision detector and their visual acuity is judged based on the sizes of the targets which are seen clearly. The detector's mean detection time is under one minute. It can be used in schools and at home, as well as for visual care organizations.

中国科研人员研发出自助式视力筛查仪及视力健康管理系统。

用户通过视力筛查仪的镜头查看视觉目标，筛查仪根据清晰可见目标的大小来判断视力范围，平均检测时间不到一分钟。该设备可用于学校、家庭和视力保健等机构。

水系锌基电池

aqueous zinc-based battery

Aqueous zinc-based batteries are highly safe and cost-efficient with high energy density. They are expected to be widely used in portable electronic devices and large-scale energy storage fields. However, the low ionic conductivity of aqueous electrolytes at low temperatures makes it difficult for the batteries to operate normally.

Developed by researchers from the Dalian Institute of Chemical Physics under the CAS, the new aqueous zinc-based electrolyte has a high ionic conductivity at low temperatures. It consists of water, ethylene glycol and zinc sulfate.

水系锌基电池安全性高、成本低、能量密度高，在便携式电子设备和大规模储能领域具有广阔的应用前景。但水系电解液离子传导率随着温度降低而急剧下降，使得该体系电池在低温下无法正常运行。

由中科院大连化学物理研究所研究人员研发的新型水系锌基电解液由水、乙二醇和硫酸锌组成，在低温下具有较高的离子传导率。

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