Complex sentence: While Silhouette Gundam has different appearance, it's technically a replica of Gundam F90V, featuring most new technologies incorporated in the Gundam F91 with exception of multi-layer armor and the bio-computer, which still not complete by SNRI when Anaheim Electronics acquire Gundam F91's data.
Split into simpler sentences: While Silhouette Gundam has different appearance, it's technically a replica of Gundam F90V. Featuring most new technologies incorporated in the Gundam F91 with exception of multi-layer armor and the bio-computer, which still not complete by SNRI when Anaheim Electronics acquire Gundam F91's data.