Help was lacking at sea during the storm.

The pilot radioed the airport for help.

驾驶员用无线电向机场求援.

The signal for assistance was five shots in quick succession.

求援的暗号就是连发五枪.

Study on CAI Teaching Design in Fine Art Teaching

美术教学CAI课件开发初探

This all changed, thanks to an man named Cai Lun.

这一切都变了,多亏了一个叫蔡伦的人。

The construction model of CAI course work based on the environment of campus network

基于校园网环境下CAI课件的构建模式

Open and Innovation Laboratory Construction based on CAI and Internet

基于CAI和互联网的开放式创新实验室的建设

Development of CAI about course design of mechanical project

机械设计课程设计CAI系统的设计与实现

When Confucius was traveling around all the states, he was once surrounded by crowds in Chen Cai district, and had not eaten a thing for seven days.

孔子周游列国时，在陈蔡地界被当地人团团围住，师徒一行人连续七天没吃到一点粮食。

Development of CAI Software for "Metal Plastic Forming Process"

金属塑性加工学多媒体教学软件的开发

The Main Problems in the Study of CAI Software Evaluation

CAI软件评价研究工作的主要问题

Seeking a new method in English teaching with CAI

运用CAI探求英语教学新模式

CAI Software Package for Experiments for Automatic Control Theory Course

自动控制理论课程实验CAI软件包

Developing CAI Software for Air Status Parameter Calculation in Air-Conditioning System

空调系统常用空气状态参数计算CAI软件的开发

Cai Lun began experimenting with many different materials and different methods to turn those materials into paper.

蔡伦开始用许多不同的材料和方法进行试验,将这些材料制成纸。

The development of the CAI software in chemical technology

化学工艺学CAI平台的开发

A famous doctor, Bian Que, after seeing Duke Huan of the state of Cai, told him that his illness had intruded1 into his skin and he needed to be treated immediately.

名医扁鹊见到蔡桓公后，告诉桓公他的疾病已入侵皮肤，要赶快治疗。

CAI is one of education means of information age.

计算机辅助教学是信息时代的教育手段之一。

This paper introduces an "analog electronic experiment" CAI system.

本文介绍一个“模拟电子实验”计算机辅助教学（CAI）的系统。

Research on the Adaptive Student Model in the Network Multimedia CAI Software

网络多媒体CAI软件中自适应学生模型的研究

However the Chinese began to use it in the 7t century Paper was invented by a Chinese man called Cai Lun almost 2,000 years ago.

然而，中国人在7世纪就开始使用纸币了，而纸张是大约2000年前一个叫蔡伦的中国人发明的。