voice-grade

基本解释

Some people say the voice is their father’s or grandmother’s or the voice of their third-grade teacher.
一些人说这想法是他们父亲的，或是他们祖母的，或是他们三年级老师的。
What impressed me most was Wang Yahong's home. Wang Yahong, a 5th-grade girl, was pretty but had little words. She spoke with a very low voice but was always smiling.
令我印象最深是一位叫汪亚红的五年级女孩，出落得大方，却腼腆少言，话音很小，总是带着笑。
At this time, the village radio broadcasters came the voice: "Park Sun-six third-grade classmates monkey, your mother took a big lump Artifact in front of the school waiting for you."
这时，村里广播里传来广播员的声音：“三年级六班朴仙猴同学，你妈妈拿了一大坨神器在学校门口等你。”

Point One leases virtually all its capacity, under contracts in which the price of a voice-grade link has plunged in the past 18 months from 5 cents a mile per month to below 2 cents.
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"The basic model of combining volatile assets, which in themselves are not investment-grade, and a trading company, which is not investment-grade, and putting them together and saying, 'This is an investment-grade company, '" Sobotka says, his voice trailing off to signify the hopelessness of the task.
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As a result, operators can more effectively ensure a carrier-grade quality of experience for end users of High Definition voice and video, Web conferencing, instant messaging and presence, and other broadband-intensive mobile applications that go beyond the reliability of Skype, Apple FaceTime and other services suited for consumers but inadequate for the rigors of enterprise use.
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