Specification for 300 telephone channels modulation and demodulation equipment used in middle distance terrestrial analog radio-relay systems

中距离地面模拟无线电接力系统300路电话调制机和解调机技术条件

属类：行业标准名称-国家标准名-GB/T13858.2-1992

Specification for colour TV modulation and demodulation equipment(1TV+4sound program)used in middle distance terrestrial analog radio-relay systems 147

中距离地面模拟无线电接力系统彩色电视调制机和解调机(1路电视和4路伴音)技术条件

属类：行业标准名称-国家标准名-GB/T13858.1-1992

The dress which is Bright and dignified in style is suitable for middle -aged women.

中年妇女适宜穿着款式活泼而端庄的衣服。

属类：综合句库--

Middle -aged mental workers, please take anshen buxin Capsules which have the function of calming and nourishing the heart.

中年脑力劳动者，请服用安神补心胶囊。

属类：综合句库--

Middle -aged people should take more vegetables and less meat in order to decrease blood-lipid and restrain arteriosclerosis.

中年人应多吃蔬菜少进肉食，以便降低血脂和抗动脉硬化。

属类：综合句库--

Venice reigned as the major sea power of the Mediterranean during the Middle Ages.

中世纪时，威尼斯以地中海的主要海上力量而称雄。

属类：综合句库--

The plague was greatly feared in the Middle Ages.

中世纪时这种瘟疫十分可怕。

属类：综合句库--

Specification for middle single-stage reciprocating refrigerant compressors

中型活塞式单级制冷压缩机技术条件

属类：行业标准名称-国家标准名-GB/T10875-1989

Types and basic parameters for middle single-stage reciprocating refrigerant compressors

中型活塞式单级制冷压缩机型式与基本参数

属类：行业标准名称-国家标准名-GB/T10874-1989