Some new gold metallogenic law be revealed by comparative study for shallow and deep gold deposits. There is ore-free interval or weak mineralized zone between shallow and deep gold deposit.
通过焦家深部金矿床和浅部金矿床对比研究，揭示了新的金矿成矿规律：浅部金矿床和深部金矿床之间为无矿间隔或弱矿化带；
To calculate the fire frequency of coordinate air defense in feet, a calculation model restrained by kill zone depth, course shortcut and interval length between ships is presented.
为解决舰艇编队协同防空中的射击次数计算问题，提出了受杀伤区纵深、航路捷径和舰艇间隔距离约束的计算模型。
The results showed that the solid liquid phase zone, temperature interval and segregation degree may be obviously enlarged with increasing s content so as to reduce the hot plasticity of the alloy.
结果表明，随着S含量的增加，导致固液两相区、温度范围和偏析程度明显加大，引起合金的热塑性降低。
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