Study on median diameters and size distributions of airborne microbes in three functional regions in Beijing;
北京市三个功能区空气微生物中值直径及粒径分布特征
Based on the optimal control theory,the paper deduced an optimal and perpendicular impact guidance law for intercepting a maneuvering target perpendicularly.
该文基于最优控制理论,在性能指标为控制能量最小的前提下,对垂直拦截机动目标的导引律进行了推导,得出无级变速鱼雷在垂直命中条件下攻击机动目标的导引律。
Do not Believe the honesty of the honest, Be wary of the unkindness of the kind.
莫信直中直，须防仁不仁。
Poetic Intuition--Study on the intuition in Chinese traditional aesthetics;
诗性直觉——论中国古典美学中的直觉
47 rectal carcinoma included: 3 in upper rectum, 4 in middle rectum, 40 in lower rectum.
47例直肠癌包括：3例上段直肠癌，4例中段直肠癌，40例下段直肠癌。
The vertical surface of an ocean wave in surfing.
浪墙，直立浪冲浪运动中海浪的重直面
the act of hitting a baseball so that it flies straight out from the batter.
棒球运动中把球直直地击出去的行为。
Gibraltar has been called the key to the Mediterranean.
直布罗陀一直被称做地中海的门户。
We waved them away until the ship was out of sight.
我们一直挥着手，直到船从视线中消失。
The Oral Words Research of "DaXueZhiJie""Zhong YongZhiJie";
《大学直解》《中庸直解》口语词语研究
Discussion about mixed use of different direct currents in double direct current system
双重化直流系统中直流混用现象探讨
the locus of feelings and intuitions.
感情和直觉的中心所在。
He has been dawdling his time away.
他中直在虚度光阴。
Not until noon did it stop raining.
直到中午雨才停止。
gravel-to-sand median diameter ratio
砾石-地层砂直径中值比
Have you been spying on me?
你一直在暗中监视我吗？
He was outspoken in his criticism.
他在批评中直言不讳。
B.C.D. of anchor (foundation) bolts
地脚螺栓中心圆直径
The cylinder diameter of raceway center(mm)
－滚道中心圆直径(mm)
diameter of root circular-arc center circle
齿根圆弧中心圆直径