Open the empty rules that you created in the first step, complete the rule logic, and test against test data.

打开您在第一步中创建的空规则，完成规则逻辑，并使用测试数据进行测试。

youdao

The UNION operation repeats this step until the SHIP buffer is empty.

UNION操作符重复这个步骤，直到ship缓冲区为空。

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In Step 9 the RsvnServlet creates an empty instance of VehicleInventory to hold the available vehicles matching the customer's criteria.

在第9步，RsvnServlet创建一个空的实例VehicleInventory来保留符合客户要求的可用车辆。

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He turned, and with a firm and quick step he walked across the empty space.

VOA: special.2009.04.18

Hopefully, you can step into an empty row if there is one so the suitcase can pass.

FORBES: Avoiding Passenger Congestion

Instead walk to the Line K entrance, wait for an empty car to slowly inch around the terminus bend and step on.

BBC: The cheapest sightseeing tour in the world

Juan opened the scoring with a powerful header and Luis Fabiano slotted into an empty net to finish off an attacking move of lethal precision as Brazil took another step towards a sixth World Cup title.

BBC: Brazil 3-0 Chile