We have made progress in some aspects such as general investigation, early diagnosis, and surgical operation treatment, but there are difficulties for surgeon in local relapse and distant metastasis.
尽管我们已在普查、早期诊断、外科手术治疗等方面取得了很大进展，但其术后局部复发、远处转移仍是临床医师面临的难题。
On the basis of investigation, this article analyses various difficulties in implementing《English Course Standards》(Trial Draft) of junior and senior middle schools.
本文在调查访问的基础上，论析实施全日义务教育和普通高级中学《英语课程标准（实验稿）》所面临的种种困难。
Meanwhile we summarize the current problems and difficulties in OOS quality management based on our interviews with some OOS firms and investigation into two typical OOS firms in China.
同时在访谈国内部分软件企业以及跟踪调研两家代表性软件外包企业的基础上，总结出我国外包软件质量管理中现存的问题与难点。
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