林克试图联系990航班选择呼叫系统，也没有反应。
ARINC attempted to contact Flight 990 on SELCAL, also with no response.
只有当你出自过滤器选项选择呼叫而且支使选择选项的圆周收音机钮扣对付的时候，这些收音机钮扣是活跃的。
These radio buttons are active only when you choose the Call Out filter option and set the Circle radio button of the Selection Options on.
要发起一个会议呼叫，必须选择多个用户并单击Callselected按钮。
To start a conference call, you must select multiple people and then click the Call selected button.
接着，选择或验证您所在的呼叫位置。
您必须选择要拨的号码才能禁用呼叫等待。
要在创建初始表单和使用服务器启动呼叫之间进行选择，我们需要查看是否设置了表单变量
To choose between creating the initial form and initiating a call with servers, we need to check to see if the form variables are set
在通信中，地址就是指选择信号中指明呼叫目的的部分。
In communications, address is the part of the selection signals that indicates the destination of a call.
不是处理呼叫，选择器是处理多个打开的socket。
Instead of calls, the selector handles multiple open sockets.
手机版支持连锁呼叫（callchains）功能，并且你可以选择拨打电话时显示的号码。
Besides call chains, another nice feature of Ribbit Mobile is that you can choose which number will appear on your contacts' phones when you call, even if you are calling from your computer.
通信中，指选择信号中指明呼叫目的地的部分。
In communications, the part of the selection signals that indicates the destination of a call.
已经从计算机中删除所选设备。请选择其他设备来进行拨号呼叫，或将原始设备重新添加到计算机。
The selected device has been removed from your computer. Select a different device to dial calls, or add the original device back to your computer.
选择您呼叫的服务器提供的串行线路协议。
Choose the serial line protocol offered by the server you are calling.
着重阐述了利用数字选择性呼叫技术的船舶跟踪系统的组成结构及其工作原理、技术指标；
Next, the structure, the working principles and the performance of the DSC Ship Tracking System which has been developed by the author is mainly described.
用户可能会选择“拒绝呼叫”，“回复短信”或“问候语”选项拒绝来电。
A user may select "reject call", "Reply by SMS" or "Greeting" options to reject calls.
内部和外部的线程定义的选项，并圈出呼叫过滤器选项是指由单选按钮下选择选项。
The internal and external thread definitions for the Circle option and Call Out filter option are defined by the radio buttons under the Selection Options.
这个电话卡没有定义规则。要创建一个规则，请选择长途、国际或本地呼叫选项卡。
There are no rules defined for this calling card. To create a rule, select the Long Distance, International, or Local Calls TAB.
纵横制交换由一个称为标志器的特定电路控制，标志器提供整个号码的公共控制并选择所有呼叫的路由。
Crossbar switching was carried out by a special circuit called a maker which provided common control of number entry and line selection for all calls.
如果呼叫筛选出切换开关是在螺纹铣削主要对话，特征和圆的圆形按钮备选方案的选择和选择所有按钮活跃。
If the Call Out filter toggle is switched on in the Thread Milling Main dialog, the Feature and Circle radio buttons of the Selection options and the Select all button are active.
学校首先决定所提供呼叫中心教程的长度，然后选择使用哪一种实验室，以及每间实验室使用时间。
The school first decide on the length of Contact Center Program to offer, then chooses which of the LABS to include and the number of hours per lab.
如果叁数和呼叫出自过滤器拨动在线磨主要部份会话中被切断，只有特征选择选项的收音机钮扣是活跃的。
If the Parameters and the Call Out filter toggles are switched OFF in the Thread Milling Main dialog, only the Feature radio button of the Selection options is active.
所述ue与PSAP通信以进行所述紧急电路模式呼叫，所述PSAP可基于所述位置估计而选择。
The UE communicates with a PSAP, which may be selected based on the position estimate, for the emergency circuit-mode call.
如应用程序能取回错过了来自系统的呼叫，使用者也有选择项回电。
As the application can retrieve missed calls from the system, the user also has the option to call back.
为了使电力系统通信设备的呼叫装置更加使用方便工作可靠，我们研制了以按键电话机发出双音频呼叫信号进行选择接收的音频选号装置。
In order to improve the ringing method of telephone used in power systems, a type of selective calling device using audio frequency has been developed.
(甚高频数字选择性呼叫)作为近海海域的一种主要报警方式，对于船舶航行安全有着很重要的作用。
VHP DSC (very High Frequency Digital Selective Call), as a main means of alarm, is very important for the vessels to navigate safely.
您可以将程序参数指定为选择性的，以便在程序码呼叫程序时，呼叫程序码不必提供引数给它。
You can specify that a procedure parameter is optional, so that the calling code does not have to supply an argument for it when it calls the procedure.
当程序定义选择性参数时，可能需要判断呼叫程式码是已经提供对应的引数，还是省略引数。
When a procedure defines an optional parameter, it might be necessary to determine whether or not the calling code has supplied the corresponding argument or omitted it.
当程序定义选择性参数时，可能需要判断呼叫程式码是已经提供对应的引数，还是省略引数。
When a procedure defines an optional parameter, it might be necessary to determine whether or not the calling code has supplied the corresponding argument or omitted it.
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