I'd guess SD, one USB, and one combo audio port will be the standard.

我猜测对SD卡的支持、一个USB接口，以及一个复合音频接口会是其标准。

youdao

The mean adherence rate in the study population was 96.3% (standard deviation, SD: 7.7).

研究人群中的平均依从率为96.3％（标准差,SD：7.7）。

youdao

The 480p and 480i formats are called the SD (standard definition) formats, and 480i is roughly equivalent to a normal analog TV picture.

480i和480 p称为标清(standard definition sd)格式，480i的品质基本等同于模拟电视信号。

youdao

The journey log is stored on a standard micro-SD memory card to make it simple to use without any special software.

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On the bottom, there's a standard tripod socket, an SD card slot and a battery compartment, complete with an 875mAh LP-E12 cell (replacements should run you about 75 bucks).

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Full HD (or Full High Definition) provides a resolution that is higher quality than that of HD (or High Definition) and substantially higher quality than that of SD (or standard definition).

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