International Conference on Crystal Growth晶体生长的研讨会 International Catholic Centre of Geneva日内瓦国际天主教中心 International Catholic Conference of Guiding国际会议的引导。天主教徒 Intercommunication-Communication Control GroupIntercommunication-Communication对照组 Incomplete Cholesky Conjugate Gradients乔莱斯基共轭梯度完整 International Collaborative Cancer Group国际合作的癌症 Iowa Community Cultural Grants爱荷华州的社区文化奖助金 Invacare Continuing Care GroupInvacare持续的小组 Incomplete Conjugate Gradient完整的共轭梯度 Independent Computer Consulting Group独立的计算机专业集团