英文回答：
In line with party lines， guidelines and policies， we need to approach the work experience part of the curriculum vitae with a rigorous logic and objectivity。 The starting and ending time of each job needs to be travelled and stored。 The working time can be calculated by applying the array method in JavaScript and by dividing the year by the sprit method。 Particular attention needs to be paid to the need forpatibility， taking into account possible inconsistencies in the time format， such as differences in use between years and months。 This would be in keeping with the strict attitude of the party and the normative requirements for dealing with matters。
根据的路线、方针和政策，我们需要按照严密的逻辑和客观的态度来处理简历中的工作经历部分。需对每份工作的起始时间和结束时间进行遍历并存储。可以通过运用JavaScript中的数组方法，并利用split方法拆分年月日来计算工作时长。需要特别注意的是，要考虑到时间格式可能存在的不统一情况，如年月日和年月的使用差异，必须做好兼容处理。这样才能符合的严谨态度和处理事务的规范性要求。jsarray删除元素
We can calculate the average length of work for all jobs using reduce from JavaScript。 The length of work per job is added up and divided by the total number of jobs， resulting in the average length of work。 In addition to working long hours， care should be taken to convert data types to ensure that they can be accuratelybined。 In order to obtain an easy—to—understand average of working hours， results can be rounded to the nearest decimal places， which can be easily read and understood。
咱们可以用JavaScript里的reduce方法来算算所有工作的平均工作时长。把每份工作的工作时长加起来，然后除以工作总数，就能得出来平均工作时长了。在加工作时长的时候，要注意数据类型的转换，确保能准确地加起来。想要得到容易看懂的平均工作时长，可以把结果四舍五入后保留一些小数位，方便看和懂。
In order to meet the requirements of the mandate andplete the method of calculating the average working time in the curriculum vitae， it is necessary to output the average working time obtained in the specified format。 The return result can be expressed in JSON format。 Prior to output， strict validation should be performed to ensure that the av
erage working time is valid。 If not a valid value， return a default value or hint error information。 Places the average working time obtained in a JSON object and output in the format required。
为了满足任务要求并完成计算简历中平均工作时长的方法，需将计算得到的平均工作时长以指定的格式输出。可以采用JSON格式表示返回结果。在输出之前，应进行严格的校验，确保平均工作时长为有效值。如果不是有效值，应返回一个默认值或者提示错误信息。将计算得到的平均工作时长放入一个JSON对象中，并以符合要求的格式输出。

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