According to the requirement of aircraft noise certification of CCAR and the foundation of aircraft prediction, a program system for aircraft noise prediction ( ANPS) has been developed.

The key thoughts of CCAR is that first it clusters items according to its cycle time distribution, partitions each item into several efficient time intervals by the clusters;

CCAR的核心思想是首先把各项目按照周期时间分布进行聚类，根据聚类结果把每个项目分成几个动态的有效时间区域。

In this paper, the comprehension and engineering arrangements of the airworthiness flying quality requirements for CCAR 25 are presented.

介绍了中国民用航空条例第25部（CCAR&25）有关适航飞行品质要求以及对这些要求的理解和工程处理方法。

Young drivers may only drive CCAR class vehicles.

年轻车手只能驱动规章第类车辆。

In order to obtain lower SNR estimation, spectrum accumulation average technique ( AAT) and cross-correlation accumulation technique ( CCAT) are added to the output of CDM processing, several improved methods are proposed, and obtain lower SNR limitation effectively.

为获得更低的信噪比容限，提出了在平方倍频处理后端加入频谱集平均技术和互相关积累技术的若干改进方法，成功实现更低信噪比下的估计。

CCAT& An All-purpose Cross Contrary Assembly Tool

CCAT&一个通用交叉反汇编工具

Do I need any prior qualifications to enroll for CCAT?

要成为CCAT的学员，需要预先获得什么资格吗？

Each time we scored we were pegged back minutes later.

每次我们得分，几分钟后便被追上。

The ambulance arrived within minutes of the call being made.

打电话后几分钟内救护车就到了。

Condense the soup by boiling it for several minutes.

煮几分钟把汤熬浓。

She lingered for a few minutes to talk to Nick.

她多待了几分钟，想跟尼克谈一谈。

We arrived at two o'clock and left at ten past.

我们两点钟到达，十分钟后离开。

We arrived at the airport with five minutes to spare.

我们赶到机场时还剩五分钟。

Each company was given ten minutes to make its pitch.

每个公司有十分钟时间进行推销宣传。

Wise scored in the 15th minute against the run of play.

怀斯在比赛进行到15分钟的时候出人意料地得分。

A two-minute silence was held as a mark of respect.

人们静默两分钟以示尊敬。

Two survivors were cut free after being trapped for twenty minutes.

两名幸存者受困二十分钟后才被解救出来。

Mix the batter and let it stand for twenty minutes.

搅好面糊以后，放上二十分钟。

The President's schedulers allowed 90 minutes for TV interviews.

为总统安排日程的官员留出了90分钟的电视采访时间。

Objective: To explore the effect of daily myocardial ischemic burden on coronary collateral blood flow ( CCBF) of New Zealand rabbit.

目的：探讨心肌缺血日负荷对新西兰兔冠状动脉侧支血流量（CCBF）的影响。

CCBF was measured with microsphere technique. technique. Preparation of Uniform Polysaccharide Microsphere by Membrane Emulsification Technique

膜乳化法制备尺寸均一的多糖高分子微球