Browsers don't seem to currently support external or parameter entities in the internal subset, probably as a security measure.

浏览器目前似乎不支持内部子集中的外部实体或参数实体，这也许是一个安全措施。

youdao

Out of these competencies you derive the criteria that determine how you will measure business success in your marketplace (whether external or internal to your corporation).

从这些竞争力中，您得到了决定您将如何在市场中(无论是外部的还是内部的)衡量业务成功与否的标准。

youdao

The important measure of success is the internal quantum efficiency, which shows just how good an LED is at making light.

成功与否，很重要的一种衡量方式就是内部量子效率，即LED的造光质量。

youdao

One sign of progress can be found in internal scores that measure how well employees interact with customers, by greeting them when they walk into a branch, or addressing them by name.

WSJ: Citibank's Overhauled Retail Strategy Shows Uneven Results

When you combine that with an organization that did not tie its expenses to it revenues or even construct any sort of internal metrics to measure the effectiveness of its staff or player wages, you can start to get a picture of how the mighty Rangers arrived at bankruptcy and how 140 years of celebrated footballing history was almost terminated.

FORBES: What Can We Learn From the Financial Meltdown of Glasgow Rangers FC?

He said CICRA was insisting the islands' postal operators should measure how effective their internal operations are.

BBC: CICRA sets delivery targets for Jersey and Guernsey Post