Have had frequent or sporadic ringing in your ears, especially in one ear.

...a year of sporadic fighting over northern France...

法国北部发生零星战斗的一年

He only works sporadically.

他只是偶尔工作.

Soon , however , Google itself was being sporadically blocked.

很快, 谷歌自己也被封杀了.

Liver injury due to occupational exposure through inhalation and skin contact have been sporadically reported.

但经由呼吸道、皮肤及消化道的过度摄取常会导致肝伤害.

There are some trees sporadically around his house.

他的房子周围零星地有点树木。

Military-on-military violence was common during the Vietnam War, but has occurred only sporadically in Iraq.

军队对军队的暴力事件在越南战争中很普遍, 但在伊拉克曾经仅是偶尔发生.

Sporangia are 50-90μ m in diameter, gray in color then turned brown.

孢子囊直径50—90μm, 呈灰色,后变为褐色.

Sporangia are 50— 90μ m in diameter, gray in color then turned brown.

孢子囊直径50—90μm, 呈灰色,后变为褐色.

A support for a fern sporangium or moss capsule.

蕨类孢囊或藓蕨果荚的支撑物.

Zoosporangium ( pl. zoosporangia ) A sporangium that produces ZOOSPORES.

游动孢子囊:产生游动孢子的孢子囊.

Bread mold is a type of sporangium fungi known as a saprophyte.

黑梗霉是一种叫做腐生植物的孢子囊真菌.

Spore morphology of 2 species of genus Ceratopteris examined by SEM and TEM.

利用扫描电镜和透射电镜技术对我国产水蕨属2种的孢子形态进行了观察,对2种的形态结构进行了描述.

Heterospory The production of two different sizes of spore: microspores and megaspores.

孢子异型:指植物产生两种大小不同的孢子: 小孢子和大孢子.

The development process and spore sterile culture of Pteris wallichiana Agardh.

研究了西南凤尾蕨的发育过程和孢子的无菌培养方法.

However, UHGB had little effect, but HGB had significant effect, on the rates of spore germination.

但是, UHGB对炭疽菌孢子的萌发率没有影响, 而HGB却 能显著抑制孢子的萌发.

Spore morphology of 44 species of the genus Athyrium from China was examined by SEM.

利用扫描电子显微镜对我国产蹄盖蕨属44种植物的孢子进行了观察.

The shape of the spore.

2分生孢子的形状.

In general, they are classified according to morphology, methods of reproduction, and modes of spore production.

总体来说, 它们是依据形态学, 生殖方式, 孢子产生的模式来分类.

Compared to Nosema Bombycis, it has a slightly smaller spore size.

孢子大小比家蚕微孢子虫(NosemaBombycis)略小.

Spore characters of 23 acrocarpous moss taxa in China are reported.

报道了中国23种顶蒴藓类孢子的形态特征.