If magnesia is added excessively , it will cause crack , even crash . 5 . the autoclave expansion of wecam and its rate reduce under other fixed condition when fly ash ( pfa ) content increases 4 .在其它条件不变的情况下，外掺氧化镁混凝土的压蒸膨胀率随着氧化镁掺量的增加而增大，且其增幅也随之加大，控制不当，会造成混凝土开裂甚至溃散。
Continuum dynamics and boeing go further by introducing “ active forcing ” of the vortices to induce a wobble , or “ waviness , ” into the flow to hasten breakup even more , dissipating it in perhaps 1 . 5 to two nautical miles 连续体动力学公司与波音公司则更进一步，以主动形成的涡流在机尾乱流中诱发晃动，或曰波动，使机尾乱流溃散的速度更快，也许只会绵延1 . 5 ~ 2海里（约2 . 8 ~ 3 . 7公里） 。
Preserve his army ; put weapons of brass in the hands that wage war in thy name , and gird them about with strength for the battle . take thou the lance and shield , and rise up to succour us , and put to shame and to confusion them that devise evil against us , and let them be scattered before the face of thy faithful armament like dust before the wind ; and may thy mighty angel put them to flight and to confusion . and let the net ensnare them when they wot not of it , and their plots that they have hatched in secret be turned against them 请保佑他的军队和那些武装起来，并以你的名义全力准备战斗的人们，请赐予他们铜弓，用你的利矛和坚盾来助战吧，让那些加害于我们的人遭到诅咒与羞辱愿他们在你忠诚的武士面前，如风中尘埃，愿你强有力的天使使他们溃散而逃，愿他们在毫无察觉中陷入圈套，愿他们因暗施诡计而自食其果让他们跪倒在你的臣仆脚下，被我们的军队一扫而光。
