Questions of educational management, quality and relevance are critical and making the system more efficient has remained a difficult task.

教育管理、素质和相关性等问题严重，使得体制更有效成为一个很困难的任务。

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As an effective measure and guarantee of system for improving the teaching quality necessarily, the work of teaching management is very difficult and lacking of efficiency.

作为提高教学质量必不可少的有效措施和制度保障，教学管理工作却举步维艰，缺乏实效。

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Being intangible product with zero marginal cost, software's quality management is more difficult than physical product, and should place more focus on the process quality and process quality control.

软件是一零边际成本的无形产品，其质量管理要较实物产品的质量管理更难以进行，需要对过程质量及过程质量控制更加关注。

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