valid evidence meaning in English

确实的证据
确凿的证据
确作的证据

So we have to mend the present criminal procedure law , to make it at least contain electronic records as valid evidence or on kind of visual - audi material in judicial interpretation
然后，必须修改我国现行的刑事诉讼法，至少应将电磁记录规定为一种证据，或者通过司法解释将电磁记录归为视听资料的一种。
To calculate the diffusion parameters in theory , the fick second law is used . the calculational results provide valid evidence for determining the nitriding time . the reason for which causes the difference between the real results and the theoretical calculation is analyzed
运用fick第二定律，从理论上计算了扩散参数，为确定氮化时间提供了依据，并对造成实际结果和理论计算之间差距的原因进行了分析。
Such signature shall not be required if the minutes of meeting is drawn up by a notary , the minutes of meeting as mentioned above shall serve as valid evidence for all members of the board of commissioners as well as for third parties concerning all resolutions adopted at the meeting
如果会议记录是由一位公证人起草的，则不需要上述签字，而对监事会所有成员以及第三方而言，上述会议记录应作为会议上做出的所有决议的有效证据。