Paper had already existed in China, but the process for producing it was difficult and the paper was of low quality.

中国已经有纸了，但是生产纸的过程很困难，而且纸的质量也很差。

youdao

They are ultimately applied to the transformation of input data, which may be of low quality, into an output with a higher level of consistency and quality.

它们最终应用于输入数据的转换，这可能质量很低，得到具有较高一致性和质量的输出。

youdao

What Taobao has found was that traffic coming from Baidu was of low quality and very few of the clicks from Baidu converted into actual sales for merchants on Taobao.

淘宝称，它发现来自百度的流量质量较低，来自百度的点击很少能转化为淘宝商户的实际销售。

youdao

"In a lot of the parts of the developing world this trust could be broken and because it's become so profitable to distribute,sell,manufacture, a lot of these products that are of low quality, and substandard."

VOA: standard.2010.06.07

Ruben Toral,chief executive officer of health industry consulting firm Medeguide, says more people will weigh low cost against quality guarantees when choosing destinations for treatment.

VOA: standard.2009.12.23

This is the story of how one man combined LEDs with solar energy technology to bring high-quality, low-cost electric light to poor people around the world.

VOA: standard.2009.12.13

Since then, and also thanks to the continued leakage of low-quality Russian diamonds, the price of low-quality diamonds has done the unthinkable and collapsed.

ECONOMIST: THE DIAMOND BUSINESS

But allegations of financial conflicts of interest flew, and the panel's chairman, Thomas Whalen , argued that the data presented had been of low quality.

FORBES: Breast Implants, Bextra And Fair Disclosure

Around 70% of Brazilians own their own homes, but many of these (around 85%, Mr Paim de Andrade estimates) are self-built one room at a time, and are of low quality.

ECONOMIST: A housing boom has investors swooning