支持核武器试验的人主张，要克服此难题的一个方法是用新设计的弹头来替代旧的弹头，新的弹头将不需要通过这种方式进行实地试验。
One way to overcome this would be to replace the warheads with newer designs that, proponents argue, would not need to be live-tested in this way.
通过实地调查和渗水、硝化、吸附、弥散等室内外试验，获取了所需水文地质参数。
Through the field investigation and infiltration, nitrification, adsorption and dispersion experiments, the required parameters are obtained.
基于实地踏勘和取样，通过大量室内直剪试验发现根系对土壤抗剪能力的提高有一定影响。
Based on the exploration and sampling on the spot and with plenty of direct shear tests, it can be concluded that the roots can enhance the ability of resist shear strength of soil.
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