查询词典 telephone ringer

This is a separate external telephone ringer or bell.

这是一种独立的外部电话振铃器或响铃。

Telephone Features: 5.8 GHz, 40 Channel AutoScan, 40 Name/Number Personal Directory, Compander Circuitry Filtered Sound, Digital Security Code, Handset Volume Control, In Use Indicator, Battery Low Indicator, Out of Range Indicator, Automatic Standby, Paging From Base to Handset, Flash, Last Number Redial/Pause, Tone/Pulse Switchable, Hearing Aid Compatible, Ringer On/Off Switch, Headset Jack, Removable Belt Clip, Desk/Wall Mountable.

厂商：爱默生描述/特点：电话特点：5.8千兆赫，40频道自动频率，40名/若干个人电话簿 compander声过滤电路、数字安全码，手机体积控制，使用指标，电池低标志，出于各种指标，自动待命，从基地到手机的寻呼、闪电、数量上径向/稍停，语调/脉冲切换，助听器兼容，对林格/转客，杰克耳机、皮带夹撤职、书桌/墙mountable。

A circuit and method for isolating a subscriber line interface circuit from the ringer generator in a telephone system. Using a gain blocking device to provide a signal gain when the ringer generator is not being utilized and to provide a high impedance when a ringer signal is present.

一种用于隔离电话系统中的用户专用线接口电路和振流发生器的电路和方法，利用一个增益阻塞器件，当振流发生器未被使用时提供信号增益；当振铃信号出现时提供高的阻抗。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。