This article analyzed the necessity and feasibility of backfile weeding in medical libraries, and proposed weeding principles and a plan for setting up a network center of national literature weeding.
As a special institutional arrangement, commercial insurance is a necessity of market-oriented economic growth, which plays the role of stabilizator and buffer in the running of economy.
Chapter four is the research on diversity architectures of agriculture technique extension mode, analyzing the necessity that diversified mode constuct. several magistral modes is comparative studied.
Prevents the breath myospasm to cause to suffocate, when necessity makes a great effort the tube incision, the intermittent positive pressure gives the oxygen.
Coal mine rockbolt shoring current situation,necessity and significance having discussed rockbolt shoring parameter optimization design combining with leaping forward.
We've seen them block the bridges, block the roads and it's an abomination to humanity to stop basic necessities and goods from entering your country to help your own people.
Orin Kerr, a law professor, compares the explosion and accessibility of digital information in the 21st century with the establishment of automobile use as a virtual necessity of life in the 20th.
" It seems people would rather give up something else than the big trip, " he says. " Travel has become a necessity. It's just how we travel that is changing."
2月合集 
高校毕业演讲 
钱。
为职业演员
样做的。
灯光照着内部。里面没有什么讲究
民，这是
和可及性与20世纪
主妇（音频版）第二季
