A Starbucks spokesman described the recall as an isolated incident and said the company had no plans to change its current product sourcing practices.
星巴克的一位发言人将这次召回称为个案，并表示，该公司不打算改变自己现有的产品采购方式。
Adding current and voltage sourcing capabilities to a measuring instrument provides an extra degree of versatility for many low level measurement applications.
在测量仪器上附加电流和电压源功能，为各种低电平测量应用提供了额外的灵活性。
Measure the reverse breakdown voltage by sourcing a specified re verse current bias, then measuring the voltage drop across the diode.
通过施加规定的反向偏流，然后测量二极管两端的电压，即可测得反向偏置电流。
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