Meiosis of microspore mother cells is synchronous or unsynchronous.是什么意思？

Meiosis of microspore mother cells is synchronous or unsynchronous.

小孢子母细胞减数分裂同步或不同步.

meiosis

n. 减数分裂，成熟分裂；

例句
Cytokinesis The division of the cytoplasm after nuclear division ( mitosis or meiosis ).
胞质分裂:随着核 ( 有丝分裂和减数分裂 ) 分裂之后的细胞质的分裂.

of

prep. 关于，属于…的，由…制成；aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气]；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

microspore

n. 小孢子，（种子植物的）花粉粒；

例句
The microspore culture technology has been widely applied in Brassica species nowadays.
随着芸苔属作物小孢子培养技术的日趋成熟,应用范围也越来越广泛.

mother

n. 母亲，妈妈，女修道院院长，大娘；vt. 像母亲般地照顾，养育，溺爱；

例句
I felt I had adjusted to the idea of being a mother very well...
我感到自己已经完全接受了当妈妈的想法。

cells

n. <生>细胞( cell的名词复数 )，小牢房，（修道士或修女住的）小房间，电池；

例句
An increasing body of evidence suggests that all of us have cancer cells in our bodies at times during our lives.
越来越多的证据表明，我们所有人一生中体内时有癌细胞存在。

is

vt.& vi. 是（be的三单形式；n. 存在；

例句
Bollinger 'RD' is a rare, highly prized wine.
博林格RD香槟是一种名贵的备受推崇的葡萄酒。

synchronous

adj. 同时存在[发生]的，同步的；

例句
In this paper the idea of synchronous vector and adjoint matrix are proposed.
本文提出了同步矢量和伴生矩阵的概念.

or

conj. 或，或者，还是，不然，否则，左右；prep. <古、诗>在…之前，比…更早；n. [纹章]黑金色、黑色；

例句
We are scared to abandon ourselves to our feelings in case we seem weak or out of control.
我们不敢放纵自己的情感，以免显得太过软弱或缺乏自制。