The paper also points out that the range zone is divorced from reality and critisizes the principle in building an intervalzone held in the "Guide".
此外，文章还就《指南》中生物延限带的脱离实际性，以及对生物间隔带的确立原则提出了不同的看法。
2
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.
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.