Most are produced in huge, ultra-clean factories using batch processes similar to those for making silicon chips.

大部分是在巨大的，超净的工厂中采用类似于生产硅片的工艺来分批制成的。

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Non-contacting and wearfree magnetic bearings are used in ultra-clean atmospheres and in extreme ambient conditions.

为此，需要使用非接触式传感器，用于超清环境以及极端环境温度下的测量。

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Due to increasingly stringent regulations for environmental protection purpose, the requirement for the productive technology of the low sulfur and ultra-low sulfur clean fuel is getting higher.

日益严格的环保法规，对生产低硫、超低硫清洁燃料技术提出了更高要求。

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Only the tubes, and not the rooms they are in, need to be kept ultra-clean.

ECONOMIST: Semiconductors

The capsules are made in ultra-clean conditions a speck of dust could ruin the effect.

ECONOMIST: Germany's export champions

Most are produced in huge, ultra-clean factories using batch processes similar to those for making silicon chips.

ECONOMIST: Electronic screens as thin as paper are coming soon