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A.ros::NodeHandle nh; ros::Publisher pub = nh.advertise﹤std_msgs::Int32﹥("mytopic", 10);
B.ros::Publisher﹤std_msgs::Int32﹥ pub("mytopic", 10);
C.ros::Publisher pub("mytopic", std_msgs::Int32，10);
D.ros::NodeHandle nh; ros::Publisher pub = nh.advertise("mytopic", std_msgs::Int32,10);
答案
更多“创建一个Publisher，发布的topic为"mytopic", msg类型为std_msgs/Int32 以下创建方法正确的是：()。”相关的问题
第1题
M: That would give me three weeks to finish the translation. That's not enough time to translate a 500-page book.
W: Hmm, then we may be able to put off the release date for another month. Would that work for you？
M: If I make this my top priority, I think two months would be possible.
Who most likely is Mr. Spector？
A．An author
B．A translator
C．A publisher
D．A designer
第3题
A.(1)(2)(3)(5)(4)
B.(1)(4)(2)(5)(3)
C.(3)(2)(5)(1)(4)
D.(1)(3)(2)(4)(5)
第4题
A.发布信息
B.召开相关方会议
C.创建新的项目计划
D.更新风险登记册
第5题
A.100，50
B.1000，50
C.100,100
D.1000,100
第6题
B、直播前可进行试播，试播和正式直播一样都需要提前创建一个直播预告，并且需要通过审核才可进行试播
C、子账号不可以创建直播，只有主账号可以创建直播
D、如果公司有多个账号，需要注意每个账号的直播内容不能重复，否则会被系统检测到属于“重复创建直播间”违规行为
第7题
Discover
News magazine of science developed to the wonders and stories of modern science, written for the educated general reader. Published by Disney Magazine Publishing Co. and it is a truly delightful family science magazine.
Cover Price: ＄59.88
Price: ＄19.95 (＄1.66/issue)
You Save: ＄39.93 (67%)
Issues: 12issues/12months
Self
Published by Conde Nast Publications Inc. Self is a handbook devoted to women's overall physical and mental health. Every issue contains usable articles such as Style. Lab, in which wearable clothes are mixed and matched on non-models and the Eat-right Road Map, with tips on how to eat properly.
Cover Price: ＄35.86
Price: ＄15 (＄2.5/issue)
You Save: ＄20.86 (58%)
Issues: 10issucs/12months
Instyle
Instyle. is a guide to the lives and lifestyles of the world's famous people. The magazine covers the choices people make about their homes, their clothes and their free time activities.
Publisher: The Time Inc. Magazine Company.
Cover Price: ＄47.88
Price: ＄23.88 (＄2.38/issue)
Your Save: ＄24 (50%)
Issues: 4issues/12months
Wired
This magazine is designed for leaders in the field of information engineering including top managers and professionals in the computer, business, design and education industries. Published by Conde Nast Publications Inc. Wired often carries articles on how technology changes people's lives.
Cover Price: ＄59.40
Price: ＄10 (＄1/issue)
You Save: ＄49.40 (83%)
Issues: 6issues/12months
Which of the following magazines is published monthly？
A．Discover.
B．Self.
C．Instyle.
D．Wired.
第8题
A.定义项目、创建WBS、完善项目计划、发布项目计划
B.定义项目、创建WBS、完善项目计划
C.创建WBS、完善项目计划、发布项目计划
D.定义项目、创建WBS、发布项目计划
