It introduced blood vessel characteristics of cancer patients. It reviewed mainly influencing occurrence factors of patients accepting intravenous detaining needle with complications.
介绍恶性肿瘤病人血管特点，重点对影响静脉留置针并发症发生的因素进行综述。
The objective was to analyze the clinical and pathological characteristics of primary small-vessel vasculitides.
目的是分析原发性小血管炎的临床表现和病理特点。
Any vessel with radar shall take into account the characteristics, efficiency and limitations of the radar.
使用雷达的船舶，还应当考虑雷达设备的特性、效率和局限性。
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