As transistors get smaller, however, laying down n-type and p-type materials in proximity gets harder, thanks once again to fluctuations in the concentrations of dopants.
然而，晶体管越小，制造PN结的难度就越大，这也是受到了掺入元素浓度波动的影响。
As early as a few years ago, because of rising labor costs, raw materials and currency fluctuations and other factors, there are many shoe companies to shift their factories to southern Asian area.
早在几年前，因不断上涨的劳动力成本、原材料以及汇率波动等因素，就有不少鞋企向东南亚地区转移生产基地。
As early as a few years ago, because of rising labor costs, raw materials and currency fluctuations and other factors, there are many shoe companies to shift their factories to southern Asian area.
早在几年前，因不断上涨的劳动力成本、原材料以及汇率波动等因素，就有不少鞋企向东南亚地区转移生产基地。
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