查询词典 threshold

threshold: A piece of wood or stone placed beneath a door; a doorsill：门槛

* foundation: 基础,根本 | * threshold: A piece of wood or stone placed beneath a door; a doorsill.门槛 | * palace of justice: 正义的宫殿

threshold dose：阈剂量

阈剂量(threshold dose)指化学物质引起受试对象中的少数个体出现某种最轻微的异常改变所需要的最低剂量,又称为最小有作用剂量(minimal effect level,MEL).

threshold dose：低限剂量

低限剂量(threshold dose)是指受辐射照射者所受的剂量在此值下无显著的作用发生,换句话说,所受的剂量在低限剂量之下,将不会造成辐射伤害. 假若任何的辐射剂量都会产生一些伤害,更假设此伤害无法恢复,那将没有低限剂量存在,

double point threshold：两点差别阈

double point 二重点 | double point threshold 两点差别阈 | double pointed nail 接合销

threshold exceeded：临界值超过 临界值超过

three-state check box 三态复选框 三维核取方块 | threshold exceeded 临界值超过 临界值超过 | throw 丢掷 丢掷

excitability threshold：兴奋性阈值

excision of LV aneurysms 左室室壁瘤切除 | excitability threshold 兴奋性阈值 | excitation-contraction coupling 兴奋-收缩偶联

Hearing threshold：听阈

(一)纯音听阈测试 听阈(hearing threshold)是足以引起某耳听觉的最小声强值,是在规定条件下给一定次数的声信号,受试者对其中50%能作出刚能听及反应时的声级.

Hearing threshold：听阀

hearing horn 助听筒 | hearing threshold 听阀 | hearing trumpet 助听筒

Hearing threshold：听觉阈

heap 堆阵 | hearing, threshold 听觉阈 | heat 热

Hearing threshold：听觉阈限

hearing theories 听觉理论 | hearing threshold 听觉阈限 | hearken 倾听

Hilt's law：希尔特煤品级定律

"hillside quarry","山坡石矿" | "Hilt's law","希尔特煤品级定律" | "hindered settling","阻流沈降"

Shaanxi Sunland Automatic Control Co.,Ltd：陕西神洲自动控制有限公司

SHAANXI QINCHUAN MACHINERY DEVELOPMENT CO.,LTD 陕西秦川机械发展股份有限公司 | Shaanxi Sunland Automatic Control Co.,Ltd 陕西神洲自动控制有限公司 | Shan Dong Shuang Yi Group Co.,Ltd 山东双一集团有限公...