qualified scientists and technicians...[继续阅读]

    scientific and technological terminology...[继续阅读]

    input in science and technology...[继续阅读]

    bucking up the city with science and technology...[继续阅读]

    science and technical situation...[继续阅读]

    scientific and technical superiority(/advance)...[继续阅读]

    scientific and technological consultation service...[继续阅读]

    science and educational films...[继续阅读]

    popular science;popular books...[继续阅读]

    scientific payoff...[继续阅读]