On your second question, Security Council Summit on Nuclear Non - proliferation and Disarmament is the first of its kind to be held and is of great significance.
关于你提的第二个问题，安理会核不扩散和核裁军峰会是安理会有史以来首次专门就核不扩散和核裁军等问题举行峰会，意义重大。
After a period of proliferation during the second trimester, neurons are also "pruned," meaning that they undergo a planned cell death.
在增殖期过后第二个三个月里，神经元也被“削减”，这意味着它们经历了一个有计划的细胞死亡过程。
On your second question, Security Council Summit on Nuclear Non-proliferation and Disarmament is the first of its kind to be held and is of great significance.
关于你提的第二个问题，安理会核不扩散和核裁军峰会是安理会有史以来首次专门就核不扩散和核裁军等问题举行峰会，意义重大。
The second factor is a proliferation of technology.
第二个因素则是技术的扩散。
Hence the second trend, the proliferation of green belts and rules on zoning.
那么第二个趋势就显而易见了：城市绿化带的泛滥和分区管制。
As a novel second messenger, ceramide plays important roles in a variety of physiologic or pathologic events relating to cellular growth, proliferation, differentiation, apoptosis and injuries.
作为重要的第二信使，神经酰胺在多种信号转导过程中发挥广泛作用，从而影响细胞生长、增殖、分化、凋亡及损伤等多种生理、病理过程。
In the second half, due to the prevention and control measures from the reality of AIDS in China from imported into a period of proliferation, the rapid spread of high-risk groups.
上世纪后半叶，由于防治措施脱离现实，艾滋病在中国由传入期演变为扩散期，在高危人群中迅速蔓延。
Hence the second trend, the proliferation of green belts and rules on zoning.
因此导致了第二个趋势——绿化带的增加和城区划分的规范。
The second is to increase the excitation threshold of normal brain tissue, decreased the proliferation of excitement lesions, prevent recurrence of epilepsy.
其二是提高正常脑组织的兴奋阈，减弱病灶兴奋的扩散，防止癫痫病复发。
The second is to increase the excitation threshold of normal brain tissue, decreased the proliferation of excitement lesions, prevent recurrence of epilepsy.
其二是提高正常脑组织的兴奋阈，减弱病灶兴奋的扩散，防止癫痫病复发。
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