The combination of organic chemistry and mineral chemistry, as well as the combination of non - fixed form material and colloid material chemistry are the secret formula in this century.
有机化学和矿物化学的结合，以及无定形材料化学和胶体材料化学的结合，是这一世纪混凝土成功的秘诀。
2
Secret, like dry non dry, can not be upright, to reach their goals confidently.
偷偷摸摸，似干非干，不能堂堂正正，理直气壮达成自己的目标。
3
The cable is classified secret and not for review by non-U. S. personnel.