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sporadic是什么意思？

sporadic

英[spəˈrædɪk] 美[spəˈrædɪk]

adj. 不定时发生的，时有时无的，零星的，分散的，哩哩啦啦；

副词：sporadically;

相关单词 sporadically

例句

Apomixes is divided into three types, including sporadic, constant and periodic. 孤雌生殖有偶发性、经常性、周期性三种类型.
We know how Sporadic E affects VHF radio signals. 我们知道怎么分散E影响VHF无线电信号.
In its common'sporadic " form, Creutzfeldt -- Jakob disease is rare in people under 50. 克雅氏病通常以“个例 ” 形式而且在50岁以下的人中偶发.
There were reports of sporadic fighting in the streets. 有报道说街上有零星战斗.
Relative concentrations of molecular and metallic ions in midlatitude intermediate and sporadic - E layers. 在中纬度中和时现E层分子和金属离子的相对浓度.
Medullary carcinomas can be sporadic or familial. 髓样癌可以是散在单发,也可以是家族性发病.
Most of the smaller hornblendite bodies contain about 5 - 10 percent magnetite, with only local sporadic enrichment. 在小的角闪岩体中,磁铁矿可占510%, 仅有局部的散染状富集.
Most of the multiple glomus tumors are sporadic but are hereditary or congenital. 大部分多发性脉络球瘤为偶发性,但亦有少部分属于遗传或先天性.
Suddenly , a sporadic cannonball bombed in the battle field. 敌人已经在城下骂阵了,我们却还是按兵不动.
Commonly a sporadic disease, actinobacillosis occasionally occurs in high incidence. 放线杆菌病通常是一种散发性疾病, 但偶尔也有高的发病率.

查看更多关于 “sporadic” 的例句

同义词

sporadic的同义词之：
occasional fitful episodic intermittent

柯林斯高阶英汉双解学习词典释义

ADJ-GRADED

间断发生的;零星的

Sporadic occurrences of something happen at irregular intervals.
例句
...a year of sporadic fighting over northern France... 法国北部发生零星战斗的一年 The sound of sporadic shooting could still be heard. 仍能听见零星的枪声。

英汉词典释义

adj.
偶尔发生的；间或出现的；阵发性的；断断续续的
There were reports of sporadic fighting in the streets. 有报道说街上有零星战斗。

英英词典释义

Adjective
1. recurring in scattered and irregular or unpredictable instances;
"a city subjected to sporadic bombing raids"

行业词典

医学：散在的，散发的：非广泛扩散或流行的，仅偶然或散在发生的；

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