Complex sentence: The document affirms Russia's stand on Taiwan as "an inalienable part of China" (A5), and highlights the commitment to ensure the "national unity and territorial integrity" in the two countries (A4).
Split into simpler sentences: The document affirms Russia's stand on Taiwan as "an inalienable part of China" (A5). The treaty, however, highlights the commitment to ensure the "national unity and territorial integrity" in the two countries (A4).