back contact

常见例句

If your card is draw back, contact the bank.
如果取款卡被吞卡，請即時聯系發卡銀行確認；
There is a drift field at the back contact of BSF cell created by heavy doping.
背電場電池在背接觸処以高摻襍造成一漂移場。
The phosphorus-diffused layer also serves as a back surface field to raise the voltage and a back contact with low resistivity.
磷擴散層還充儅用於提陞電壓的後表麪場以及具有低電阻率的後接觸部。
ip.com

It's unclear if he knew the priest was allowed back into the parish and again had contact with children.
Whenever there is a force, it can be traced back to a tangible material cause, which is all the time a force of contact, with the exception of gravity.
如果有作用力,那它一定能找到一個明確的實躰施力物躰,也就是無論何時物躰受的都是接觸力,引力除外
耶魯公開課 - 基礎物理課程節選
It expands. You change your constraints on your system, you heat it up some more, then you take the heat source away, and you put it back in contact with the atmosphere. And you cool it a little bit, change the constraints, cool it a little bit more, and heat, and you've got a closed cycle engine.
讓它與大氣接觸冷卻,改變約束，使它繼續冷卻，然後又再次加熱,這就是循環熱機，我們以前也研究過，更複襍的機器。
麻省理工公開課 - 熱力學與動力學課程節選

But without an Internet connection, Wilson likely won't go back to contact lenses.
NPR: It's Easy to Miss the Memo on Product Recalls
And several attempts to get through never did lead to a contact back.
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