double bar

同根派生

The type transform theory is extended to the analysis of geared linkages, so that any geared linkage can be decomposed into a series of single link and extended double bar Assur Group.
將型轉(zhuǎn)化理論拓廣于齒輪連桿機(jī)構(gòu)的分析中，使任一齒輪連桿機(jī)構(gòu)都可以分解為單構(gòu)件和廣義雙桿組。
The anterior and posterior palatal circle(double bar) on the other hand is mechanically and biologically sound and cannot be cirticized if it is loacted as not to impinge upon tissues.
前后腭桿設(shè)計(jì)無(wú)論在機(jī)械上還是在生物學(xué)上都比較合理，如果在設(shè)計(jì)上能夠避免壓迫軟組織將是非常理想的。
Double bars, swinging boards, multi-function training machines, seesaws, jogging machines and similar facilities have formed mini-sized gymnasiums, simple but meaningful.
雙杠、秋千、多功能器械、蹺蹺板、跑步機(jī)和其他類(lèi)似設(shè)備已經(jīng)形成了小規(guī)模的體育館，雖然簡(jiǎn)單，卻很實(shí)用。
He ordered a large double Scotch from the bar man.
他向酒吧服務(wù)員要了大杯雙人份蘇格蘭威士忌。
He is working double tides to finish his essay.
他日夜苦干，趕寫(xiě)他的文章。