back force meaning in English

反力

Several questions on the tracing back force in the judical explanation of criminal law
刑法司法解释溯及力的若干问题探讨
With the backing force of hongrun steel company , our products cover various models of angle steel , channel steel , frange plate and i steel
依托唐山宏润钢铁有限公司的强大后盾，我们的产品包括全部系列型号的角钢、槽钢、翼缘板、工字钢等。
Our corporate philosophy is : gain market share by quality and good faith and credit , client s satisfaction as our target , science and technology as our back force to keep the enterprise full of vitality
我公司坚持： “以质取胜，以信为本，以客户满意为目的，以科学技术为导向” ，使企业充满勃勃生机。