英语高手们帮帮忙，下面这段中英文翻译如何修改更合适？要人工的哦

借用楼上的翻译为基础(请给他赏分!):
Abstract:
Objective: To understand the current status of irrational prescriptions in our hospital's outpatient department, with a view to promote clinically rational use of drugs.
Method: Based on the irrational presciption criteria taken from "management of prescriptions" and "standard procedure on prescriptions evaluation", the irrational prescriptions for the period between January to December of 2011 from the outpatient dept are retrospectively studied and analyzed. Findings: 965 prescriptions were irrational; 521 were irregular prescriptions--53.98%. Unsuitable prescriptions 376 (38.94%); 68 (7.05%) were over- prescribed.
Conclusion: Enhance prescription reviews, strengthen the knowledge on rational use of drugs, and this will improve the standard of clinical medication.

Keywords:Prescription review；irrational prescription；irregular prescription；over- prescriptions

原来的翻译基本不能用，一下是纯粹手工翻译，望及时采纳

Abstract:
Purpose: To understand the current status about unreasonable prescription in our hospital outpatient, to promote the reasonable use of drugs.
Method: Based on the unreasonal presciption cretiera from "prescription management" and "standard procedure on prescription evaluation", the irrational prescriptions between January to December of 2011 from outpatient dept were retrospectively statically analyzed.
Result: among the 965 unreasonable prescription, 521 (53.98%) are irregulated , 376 (38.94%) are unsuitable, 68 (7.05%) are over- prescriptions.

Conclusion:, Enhance prescription review, strengthen the knowledge of rational drug usage, to improve the level of clinical medication.

keywords:Prescription review；Unreasonable prescription；unregulated prescription；Abnormal prescriptions