The design of direct digital frequency synthesizer(DDFS)in the way of local carrier demodulation is mainly introduced.

文章重点讨论了本地载波解调中的直接数字频率合成器（DDFS）模块的设计。

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You hope that your local mail carrier can get your parcels to you in a hurry.

你希望当地的邮递员能尽快把你的包裹送到你这里。

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At the time, he was paying his landline carrier (Verizon) five cents a minute for local calls, 11 cents for cross-country calls and an average of 16 cents a minute for international calls.

在那个时候，他需要向固话运营商(verizon)支付每分钟五美分的本地花费，11美分的国内话费，和平均每分钟16美分的国际长途话费。

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There are often much better deals if you use SIM cards from each local carrier.

FORBES: How To Save Money On Calls And Data From A Cruise Ship

Indian rules require a local carrier to complete five years of domestic operations to fly to foreign destinations.

WSJ: India Approves AirAsia's Airline Proposal

To this end AirAsia has bought into the Indonesian domestic market by acquiring a local carrier, Batavia Air (the deal still requires regulatory approval).

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