These objections are similar to those voiced by practitioners thirty years ago, when they resisted using high-level programming languages because of performance concerns.

这些异议类似于三十年前实践者提出的那些，那时由于对性能的关心，抵制使用高级程序设计语言。

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Dean noted the administration blocked attempts to ban from the food supply beef from cows slaughtered when they were unable to walk -- a symptom of the disease -- and resisted efforts to create a better system to track cows.

CNN: Democrats criticize administration over mad cow