自发的

In addition, serum levels of HCV RNA can vary spontaneously by 3- to 10-fold over time.

此外，血清中丙型肝炎病毒RNA可以改变自发3 - 10倍的时间。

The purpose of this study was to determine the effects of 17β estradiol (E 2) on electrical activity of the rostral ventrolateral medulla neurons in rats.

本研究旨在观察 17β雌二醇(E2 )对雄性大鼠延髓腹外侧头端区神经元自发放电活动的影响。

The effect of moxonidine on spontaneous activity of neurons in the rostral ventrolateral medulla was studied in barodenervated rats.

何瑞荣 ，范振中，许彦芳在去缓冲神经大鼠观察莫索尼定对延髓腹外侧头端区神经元自发电活动的影响。

It has been almost 40 years since the use of hill sand in civil engineering in Guizhou spontaneously in the end of 1950s.

从50年代末期贵州土建系统自发地使用山砂开始，山砂混凝土的发展已经历了40余年。

Tourmaline that has spontaneous polarizability, pyroelectricity and piezoelectricity can beused in many areas, for instance, electromagnetic shield, air purification, etc, therefore, differentspecies of tourmaline, Dravite occurring in pegmatites from Hebei that are different ingranularity and Schorl from Xinjiang that are different at heattreatment temperature and undercondition are tested accurately and studied in this thesis.

电气石具有自发电极性、热释电性和压电性，可应用于多个方面，如电磁屏蔽、空气净化等，为此，本文精确测试和研究了不同种属、不同粒径以及不同温度和条件下热处理电气石粉体的Zeta电位。

secretin;neuclei tractus solitarii;gastric distention related neurons;spontaneous discharge

目的 探讨静脉给予secretin对大鼠孤束核内扩胃相关神经元自发放电的影响。

Two of them with 30m length lifeline and at least 5 of them have - self-ignting lights, among that 2 of them with self-igniting light and self-activity smoke signal, and 2 of them with life line.

有两个带有30m 长的救生索，另外至少有5只带有自亮浮灯，其中2只有自亮浮灯和自发烟雾信号，还有2只带救生绳。

In the activity of history creation,there are two forms: spontaneity and self-consciousness .

人们创造历史的活动有两种形式：自发和自觉。

At this time of the alley where the masses to carry out self-containment, who had become a hated enemies.

这时巷子里的群众自发进行围堵，歹徒成了过街老鼠，人人喊打。

She has found that children have latent vitality and could carry on the self-education in the spontaneous activities.

她发现儿童具有潜在的生命力，能够在自发活动中进行自我教育。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。