abstraction n. 1.抽象(作用);抽象概念;提取,抽出。 2.出神,發(fā)呆。 3.〔委婉語〕偷竊。 4.不切實(shí)際的觀念。 with an air of abstraction 茫然,呆呆地,心不在焉。 n. -ism 【美術(shù)】抽象主義;抽象派藝術(shù)。 n. -ist 抽象派畫家[藝術(shù)家]。
Sb2014 precise dc low resistance box has its own features such as high working voltage , good abstraction of heat efficiency , stable performance and novel configuration 該電阻箱具有工作電流大、散熱效果好、性能可靠、結(jié)構(gòu)新穎等優(yōu)點(diǎn),適用于工廠、學(xué)校和科研單位作精密大電流低阻值電阻標(biāo)準(zhǔn)。
Sb2016 has its own features such as high working voltage , good abstraction of heat efficiency , stable performance , novel configuration , long working life , convenient operation and can adjust the resistance value under the high voltage 具有工作電壓高、散熱效果好、性能穩(wěn)定可靠、結(jié)構(gòu)新穎、操作方便(可在高壓下,調(diào)節(jié)電阻值) 、使用壽命長等特點(diǎn)。