On the west limb , there are andesite clasts at the lower section and limestone clasts at the upper section , which indicates normal stratigraphic sequence in its provenance . on the east limb , there are dolomite clasts at the lower section and limestone clasts at the upper section , which indicates reversed stratigraphic sequence in its provenance 西翼砾岩在剖面上具明显的倒序岩屑地层特征，反映了物源区正常的层序地层，而东翼砾岩在剖面上仍然是正序的岩屑地层，反映了物源区非正常的层序地层。
After china became a member of the world trade organization , the competition of retail industry getting keener and keener , in addition , due to lacking of healthy market rules and regulations as well as sound market economic system in present china , all sorts of abnormal competitive means running wild , all these reasons make business profits become thinner and thinner , even no profits 加入wto后，零售业竞争更加激烈。由于目前我国还缺乏健全的市场规则，没有形成完善的市场经济体系，导致各种非正常的竞争手段愈演愈烈，使我国零售业利润率进一步下滑，彻底进入到微利乃至零利润时代。
Unauthorized person ' s disposal of the real obligee ' s rights will possibly cause the loss of the real obligee ' s rights , which relates to the real obligee ' s interests and the protection of the transaction safety , and the establishment of the force system of the cud is to protect the transaction safety . based on related analysis , this thesis reaches the conclusion that the validity of the cud is to protect transaction safety , which is also in accordance with other civil legal systems 无处分权的人对真实权利人的权利进行非正常的处分行为，可能导致权利人的权利的丧失，这关系到对真实权利所有人的利益和对交易安全的保护问题，无权处分行为制度设计的目的是为了保护交易安全，本文通过相关论述得出结论：坚持无权处分行为的有效性正是保护交易安全，同时也和其他民事法律制度相互协调一致。
