The physical core is crystallized in magnetic iron-nickel alloy-composite. The core is not hollow.

物质核心是磁性铁镍合金复合材料的结晶，其核心不是中空的。

youdao

Using the mathematical statistics, comparative analysis methods for ten years in 2000-2009 published in journal of physical core of teaching reform is discussed.

采用数理统计、归纳分析、比较分析等方法，对我国2000—2009年十年间发表在体育核心期刊上的教学改革类文章进行了述评。

youdao

The HMS radios all have the same core design but take on different functionality and physical shape depending on the unique mission.

所有的HMS无线电都具有同样的核心设计，但是根据不同的任务而具有不同的功能和物理外观。

youdao

My Irish visit reminded me once again how critical physical fitness is to our core well being both personally and professionally.

FORBES: Fitness Forever: Three Steps to Take Now

Scientists in Riga at the Institute of Physics at the University of Latvia are continuing to work on a much more physical mock-up of the core.

BBC: Planet Earth

Adapted from an early short story by Elmore Leonard that was previously filmed very capably in 1957 with Glenn Ford and Van Heflin, "3:10 to Yuma" strikes a fair balance between physical action and psychological warfare, but always at its core is the question of how we are to measure these two men.

CNN: Review: '3:10 to Yuma' a classic ride