文章当中的via是一个介词词汇，不是缩写。
详细解释：
via 英[?va?] 美[?va?, ?vi?]
prep. 经过; 通过，凭借; 取道;
[例句]We drove via Lovech to the old Danube town of Ruse
我们开车经由洛维奇到达了多瑙河畔的古镇鲁塞。
Mr Baker will return home via Britain and France.
贝克先生将取道英国和法国回国。
Translators can now work from home, via electronic mail systems
翻译人员现在可以利用电子邮件系统在家里工作了。
The executive's meeting had finished and Sir Marcus had reported its conclusionsto the prime minister via Richard Ryder.
领导层会议已经结束，马库斯爵士已通过理查德·赖德把会议结论报告给了首相。
The weights are moved via a cable and pulley system.
重物通过缆绳和滑轮系统运送。