backwardly

基本解釋

First of all it explains what compatibility is and advocates small, incremental, backwardly compatible changes, while always focusing on future evolution.
書中并沒有一味關(guān)注在未來的進(jìn)步上，而是先解釋了什么是小的、遞增、后退的兼容改動(dòng)，也解釋了什么是造成這類改動(dòng)的原因。
While most 2.0-compatible drives are backwardly compatible with 1.1, it is generally advisable to avoid using 1.1 unless there is no other option (due to its slow speed).
雖然大多數(shù)兼容 2.0 的驅(qū)動(dòng)器都可向后兼容 1.1，但是一般最好避免使用 1.1，除非別無選擇（因?yàn)樗乃俣缺容^慢）。
Both bundles as a whole and packages individually can be versioned, and increases in the minor number are used to signify new features (but remaining backwardly compatible).
兩個(gè)bundle整體及各個(gè)包都可以有版本，增大minor號(hào)通常意味著增加了新特性（但保持向后兼容）。

The new USB 3.0 bus-powered portable hard drive is backwardly compatible with USB 2.0 ports, ensuring that all of the user's content is completely accessible.
ENGADGET: Verbatim's USB 3.0 Store 'n' Go external drives play nice with magnets, your data