实施保户保持策略的前提条件是对保户群进行价值细分。
The premise of carrying out the customer-keeping strategy is subdividing the customers value.
详细分析了户用高频光伏并网发电系统的工作原理。
The mechanism of islanding occurring is analyzed and studied in details.
详细分析了户用高频光伏并网发电系统的工作原理。
The mechanism of islanding occurring is analyzed and studied in details.
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