常見(jiàn)例句雙語(yǔ)例句Based on finite element analysis and the principle of mechanical equivalence, the supporting structures for the hydrogen and oxygen turbine pumps of a rocket engine were analyzed.在對(duì)某火箭發(fā)動(dòng)機(jī)氫、氧渦輪泵支撐結(jié)構(gòu)進(jìn)行有限元分析的同時(shí)，對(duì)該結(jié)構(gòu)進(jìn)行了力學(xué)理論探討。Concerning the keyword search in XML document, the meaningless query results are studied from two aspects: equivalence of content in element labels and similarity in element structure.針對(duì)XML文檔關(guān)鍵字搜索問(wèn)題，從元素標(biāo)簽內(nèi)容等價(jià)和元素結(jié)構(gòu)相似性等價(jià)兩個(gè)方面考慮無(wú)效的查詢(xún)結(jié)果。 返回 equivalence element