世界市场价格
world market price
世界市场价格的变动
fluctuations of world market prices
市场价格
market price
market prices
市场价格下跌
falling market
市场价差保证金
market difference margin
市场价值
vendibility
cash equivalent value; market value; marketable value; value on exchange
双重
doubling
双重保险
double check; double insurance
double insurance
双重保险单
double insurance policies
双重壁空气浴
double walled air bath
双重变易
double variation
双重标记
double labeling; double-tagging
双重标准
double standard
双重标准制
dual plan
双重波道放大器
dual-channel amplifier
双重操纵
dual control
双重超外差接收
double superheterodyne reception
双重超外差式
double superheterodyne
双重传输
dual transmission
双重代表权
dual representation