These new crops must also be more resistant to drought, heat and pests.
这些新作物还必须具有更强的耐旱、耐热和抗虫害能力。
2
The techniques currently used to clean spacecraft only detect heat-resistant and spore-forming bacteria.
而目前所使用的航天器清洁技术仅能发现耐热的和孢子形成的细菌。
3
Breeding is an ongoing activity because pests and diseases are always evolving and the climate is changing. We're always trying to make more productive, drought-tolerant and heat-resistant crops.