The gestures of real palm that obtained by position tracker are mapped to the gestures of virtual palm in the virtual reality environment by data mapping and transfer matrixes.

通过位置跟踪器获取操作者手掌的位姿数据，采用数据分解和矩阵变换的方法将其映射为虚拟手掌在虚拟现实环境中的位姿，实现了对虚拟手的准确控制。

youdao

When a Tracker is closed, the application typically moves or resizes the associated control to match the position and size of the Tracker.

在关闭Tracker时，应用程序通常就把相关控件移动或修改尺寸到与Tracker匹配的位置和尺寸。

youdao

Estimated positions will be generated by interpolating the tracker position in-between nearby keyed or tracked positions.

估计位置将由插值生成的跟踪位置中间的键控或跟踪位置附近。

youdao

Usually, a GPS tracker transmits its position using a radio or mobile-phone connection.

ECONOMIST: Monitor

Or buy the tracker and then fan out with stock picks, breaking bits off the ETF position to get actual, single stock exposure.

FORBES: QE3 Investment Mantra: Borrow, Buy, Let Ben Do The Rest

"Their relative position versus Nvidia has improved compared to six months ago, " says Dean McCarron, president of chip tracker Mercury Research.

FORBES: Magazine Article