了解市场需求是成功的关键性因素。

Understanding market needs is a critical factor for success.

他的意见在这次会议上是关键性的。

His opinion is critical in this meeting.

在紧急情况下，快速反应是关键性的。

Quick response is critical in emergencies.

这个决定对我们的项目来说是关键性的。

This decision is critical to our project.

这项技术在未来的发展中将起到关键性的作用。

This technology will play a critical role in future development.

关键性转折始于09年中期。

A pivotal turn began midyear.

有一些关键性的启动相关的元素

These are the key enablement-related elements

卫星软件属于安全关键性系统，对于实时操作系统的需求具有安全关键性的特征。

The on-board software belong to safety-critical field and have the requirements of RTO.

请记住，检查计划应当在作出符合什么是关键问题：价值和关键性产品。

Keep in mind that the inspection plan should be made in line with what is at stake: the value and criticality of the product.

合法性问题是政党执政的关键性问题。

Legitimacy is crucial for a party in power .