By the amide and aliphatic chain or alicyclic base line base connected criminal macromolecules.由酰胺链与脂族基或脂环基连接的线刑大分子构成.In this paper , two unsaturated alicyclic nitrogen heterocyclic crownethers were synthesized by phase ...
The neighborhood was a battleground for Shiite and Sunni militias.那里曾是什叶派和逊尼派武装分子的战场.Only by offering credible protection could the Americans undermine the militias.只有提供了可靠的保护措施,美军才能破坏形形色色的民兵组织.Local militias play an imp...