The principal phoned the fire station.

校长打电话给消防局。

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On the other hand, trials at CIMMYT's principal wheat-breeding station at Obregon in Mexico indicate a slowdown in potential yield growth to only 0.4% a year.

可另一方面，国际玉米和小麦改良中心在墨西哥奥布雷贡的小麦育种站做的试验表明，小麦产量的年增长率可能降至0.4%。

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Before now the research on seismic safety of nuclear power station focused into principal structures and was behind in electric cables bridge frames.

以往有关核电站抗震安全性的研究主要集中在主体结构上，对于电缆桥架方面的研究比较薄弱。

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"I don't believe any hardware issues were compromised, " Casey Robinson, the principal, told community radio station Ketchikan FM.

BBC: children at computers

It lost its Garda station a few weeks ago and Anne Conaghan, the principal of St Mogue's College, is concerned about the implications.

BBC: Concern over Garda station closures in Irish border areas

My grade-school principal, George Schumacher, and I "stole" my dad's Ford station wagon from our house in St.

WSJ: A Ride Across Iowa