The original is a wall-rattling frequency too low for us to hear.

它们的原声由于频率太低以至于人类无法听到。

youdao

What is the foundry's checking frequency for control of core shift and wall thickness?

工厂检验芯偏移以及壁厚的频率？

youdao

At the same axial location, wall temperature increases linearly as the engine frequency increases.

同一轴向位置处，壁温随爆震频率的升高而升高，并呈线性关系。

youdao

When Pipeline Chairman Alfred Berkeley III spoke to Steve Forbes in an Intelligent Investing interview in March, Berkeley described the intelligence game with high-frequency traders on Wall Street.

FORBES: Pipeline's Building Liquidity

The heads of Themis Trading, a firm deep in the middle of all this, every day, published another book, Broken Markets: How High Frequency Trading and Predatory Practices on Wall Street are Destroying Investor Confidence and Your Portfolio.

FORBES: The HFT Empire Strikes Back! The Case That Ever Faster Markets are Good for Investors

Matin then contacted his college friend Mahmoud and convinced him to leave his job on Wall Street, where he was building high frequency trading systems, to join the company as well.

FORBES: How The Balanced Co-Founders Went From Meeting On Craigslist To Raising Millions From Famous Investors