求翻译：2012年2 月18 日，中美双方截止到2011年底，中国IMAX银幕数达到74块，比2010年《阿凡达》上映时增加一倍以上，就解决WTO 电影相关问题的谅解备忘录达成协议。中国进口分账大片的配额将进一步开放，由原来的20部增加到了34部，且以3D和IMAX大片为主，同时，美方票房分账比例从13%提高到25%。。是什么意思？

February 18, 2012, the two sides until the end of 2011, China imax screen number 74 than in 2010, "Avatar" exhibition, more than doubling, to resolve the wto movie Memorandum of Understanding agreement. Split large areas of the quota of Chinese imports will further open up, from 20 to 34, and to lar

February 18, 2012, Sino-US both sides until the end of 2011, the Chinese IMAX screen reaches more than 74 blocks in 2010, the avatar movie, more than double, to solve the problem about the movie WTO memorandum of understanding agreement. China imports a large quota account will open up further, from

On February 18, 2012, China and America until 2011 year's end, the Chinese IMAX silver screen number above achieved 74, "Arab League Every Reach" compared to 2010 screens when doubles, solves the WTO movie correlation question memorandum to reach the agreement.China will import divides up money the

On February 18, 2012, both due to the end of 2011, number of IMAX screens in China reached 74, than 2010, when the avatar is shown to increase more than 1 time, memorandum of agreement to address WTO film-related issues. Imports split large tracts of quotas will further open up, have increased from

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