Updates dgram/socket_setmulticastloopback_flag.md

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c708423 · Apr 18, 2017 · b1b01bc · b1b01bc
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diff --git a/dgram/change_to_asynchronous_socket_bind_behavior.md b/dgram/change_to_asynchronous_socket_bind_behavior.md
@@ -1,6 +1,5 @@
-
-As of Node.js v0.10, [`dgram.Socket#bind()`][] changed to an asynchronous
-execution model. Legacy code that assumes synchronous behavior, as in the
+As of Node.js v0.10, \[`dgram.Socket#bind()`\]\[\] changed to an asynchronous  
+execution model. Legacy code that assumes synchronous behavior, as in the  
 following example:
 
 ```js
@@ -9,7 +8,7 @@ s.bind(1234);
 s.addMembership('224.0.0.114');
 ```
 
-Must be changed to pass a callback function to the [`dgram.Socket#bind()`][]
+Must be changed to pass a callback function to the \[`dgram.Socket#bind()`\]\[\]  
 function:
 
 ```js
@@ -19,3 +18,5 @@ s.bind(1234, () => {
 });
 ```
 
+
+
diff --git a/dgram/event_close.md b/dgram/event_close.md
@@ -2,7 +2,5 @@
 added: v0.1.99
 -->
 
-The `'close'` event is emitted after a socket is closed with [`close()`][].
-Once triggered, no new `'message'` events will be emitted on this socket.
 `'close'`事件将在使用[`close()`][]关闭一个 socket 之后触发。该事件一旦触发，这个 socket 上将不会触发新的`'message'`事件。
 
diff --git a/dgram/event_message.md b/dgram/event_message.md
@@ -5,8 +5,8 @@ added: v0.1.99
 当有新的数据包被 socket 接收时，`'message'`事件会被触发。`msg`和`rinfo`会作为参数传递到该事件的处理函数中。
 * `msg` {Buffer} - 消息
 * `rinfo` {Object} - 远程地址信息
-  * `address` {String} The sender address
-  * `family` {String} The address family (`'IPv4'` or `'IPv6'`)
+  * `address` {String} 发送方地址 
+  * `family` {String} 地址类型 (`'IPv4'` or `'IPv6'`)
   * `port` {Number} The sender port
   * `size` {Number} The message size
 
diff --git a/dgram/socket_bind_port_address_callback.md b/dgram/socket_bind_port_address_callback.md
@@ -3,8 +3,8 @@ added: v0.1.99
 -->
 
 * `port` {Number} - 整数，可选的
-* `address` {String}, 可选的
-* `callback` {Function} (没有参数)，可选的。当绑定完成时会被调用。
+* `address` {String} - 可选的
+* `callback` {Function} - (没有参数)，可选的。当绑定完成时会被调用。
 
 对于 UDP socket，该方法会令`dgram.Socket`在指定的`port`和可选的`address`上监听数据包信息。若`port`未指定或为 `0`，操作系统会尝试绑定一个随机的端口。若`address`未指定，操作系统会尝试在所有地址上监听。绑定完成时会触发一个`'listening'`事件，并会调用`callback`方法。
 

diff --git a/dgram/socket_setbroadcast_flag.md b/dgram/socket_setbroadcast_flag.md
@@ -4,6 +4,4 @@ added: v0.6.9
 
 * `flag` {Boolean}
 
-Sets or clears the `SO_BROADCAST` socket option.  When set to `true`, UDP
-packets may be sent to a local interface's broadcast address.
-
+设置或清除 `SO_BROADCAST` socket 选项。当设置为 `true`, UDP包可能会被发送到一个本地接口的广播地址
diff --git a/dgram/socket_setmulticastloopback_flag.md b/dgram/socket_setmulticastloopback_flag.md
@@ -4,6 +4,6 @@ added: v0.3.8
 
 * `flag` {Boolean}
 
-Sets or clears the `IP_MULTICAST_LOOP` socket option.  When set to `true`,
-multicast packets will also be received on the local interface.
+设置或清除 `IP_MULTICAST_LOOP` socket 选项。当设置为 `true`, 多播数据包也将在本地接口接收。
+