1 The sample shall be considered to be representative of the stratum from which it was obtained by an appropriate, accepted, or standard procedure.
1 The sample shall be considered to be representative of the stratum from which it was obtained by an appropriate, accepted, or standard procedure.
1试样应该被认为是地层的代表样品,它按照一个适当的,公认的,或者标准的程序从该底层中被取出.