ground rule

基本解釋

Note: For a ball played from outside the teeing ground or from a wrong teeing ground ― see Rule 11-4.
注：從發(fā)球區(qū)以外打的球或從錯誤的發(fā)球區(qū)打的球，見規(guī)則11-4。
The negative relationship between activity density and soil water content might be a general rule of desert ground-dwelling beetle's distribution at local scales.
活動密度與土壤含水量的負(fù)相關(guān)關(guān)系可能是局域尺度下荒漠地表甲蟲多樣性的一般性規(guī)律；
www.biodiversity-science.net
We should build an open and rule-based multilateral trading regime through equal-footed dialogue in the spirit of seeking common ground while putting aside differences.
要通過平等協(xié)商、求同存異，建設(shè)開放的以規(guī)則為基礎(chǔ)的多邊貿(mào)易體制。

He was one for 4 with a ground-rule double and two strikeouts.
NPR: Trout Hits For Cycle, Drives In 5, Angels Rout M's
Connor Gillaspie hit a long fly ball that left fielder that Shane Victorino couldn't catch over his shoulder at the warning track, and it bounced over the wall for a run-scoring ground-rule double.
NPR: US Team Plays To 4-4 Tie With White Sox

The ground rules for something are the basic principles on which future action will be based.