Joint Object Services Specification联合对象服务规范 Joint Overseas Switching System联合境外交换系统 Journal of Systems and Software系统和软件 Jos Ja Vain Jos (Finnish)怡和科技(怡和科技是徒然芬兰) Joint Office for Scientific Support (UCAR)为科学支持联合办事处(UCAR) JOHNNIAC Open Shop SystemJOHNNIAC开店系统 The Joint Office For Science Support为科学支持联合办事处