To do fatigue reliability analysis for the cracked structures can give us some reference for the safety evaluation of such structures, so it has great practical significance. 對含裂紋結構進行疲勞可靠性分析，可以為此類結構的安全性評估提供參考，具有很大的現實意義。
The reduction of insoluble quinones to soluble hydroquinones and reoxidation in air to the quinone structure is the principle involved in dyeing cloth with"vat" dyes. 瓮染燃料對布料著色的原理在於不溶性醌類的還原和可溶性氫醌於空氣中被再氧化至醌類結構。
