short-lived seed

Seed of birch flies from the time of seed maturity in July until the following spring, but aspen seed only during a short period in summer.

桦树种子从7月份种子成熟开始飞散，一直到第二年春天，但白杨的种子仅在夏天短期内就飞散完毕。

For japonica rice, the grains of most varieties were short and coarse in length and shape. INFLUENCE OF MELIA AZEDARACH SEED COARSE EXTRACT ON BIOLOGICAL ACTIVITY OF RICE WEEVIL

绝大多数粳稻品种的米粒属短、粗类型。苦楝籽粗提物对玉米象生物活性的影响

Short-time artificial ageing treatment significantly enhanced the seed vigor.

蕹菜种子进行短期的人工老化处理，可显著或极显著提高种子活力。

Cascaded fiber amplifier high repetition rate, short pulse-width all-solid-state laser seed can achieve high output power.

高重复频率 、 窄 脉宽 的全固态激光器种子源级联光纤放大器是获得高功率脉冲激光输出的有效手段.

That girl's one step short of the demon's seed.

这丫头都快赶上里那小孩了。