The indexes are divided into basic control elements and optional control elements after being screened and adjusted through Delphi technique.

运用德尔菲法对指标进行筛选和调整，将其分为基本控制要素和选择控制要素两大类。

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Stored procedures are a precompiled collection of SQL statements and optional control-of-flow statements stored under a name and processed as a unit.

存储过程是sql语句和可选控制流语句的预编译集合，以一个名称存储并作为一个单元处理。

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Another optional control function is the calculation of the residual section resistance based on the measured vol "-tage contact line voltage and the test current."

另一个可选控制功能是对基于测得电压接触线电压及测试电流的剩余区间电阻进行计算。

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The G-wagen also gets into step with the latest generation of Mercedes's infotainment and Internet systems, as well as safety tech such as (optional) adaptive cruise control, parking assist and blind-spot assist.

WSJ: Mercedes-Benz G63 AMG Review: Civilians Shouldn't Salute It | Rumble Seat by Dan Neil

Weighing in at less than 9 ounces, it can control a component from as far away as 33 feet, and with an optional radio frequency receiver, it can control components in more than one room from farther away.

FORBES: True Remote Control

It also said it would recall cars and fit for free an optional bit of drive-control electronics to improve handling.

ECONOMIST: Car safety